RUBIACEAE
Rubiaceae (10400 spp)
Acanthera (35 spp)
Acanthera 1
Acanthera 2
33 Other Acanthera
Acrobotrys (Colombia)
Acrosynanthus (Cuba) (7 spp)
Acrosynanthus 1
Acrosynanthus 2
5 Other Acrosynanthus
Adina (East Asia) (3 spp)
Adina 1
Adina 2
Adina 3
Adinauclea (Sulawesi, Moluccas)
Afroknoxia (Central Africa)
Agathisanthemum (Africa, Comoros) (5 spp)
Agathisanthemum 1
Agathisanthemum 2
Agathisanthemum 3
Agathisanthemum 4
Agathisanthemum 5
Aidia (tropics) (25 spp)
Aidia 1
Aidia 2
23 Other Aidia
Airosperma (New Guinea, Fiji) (6 spp)
Airosperma 1
Airosperma 2
Airosperma 3
Airosperma 4
Airosperma 5
Airosperma 6
Aitchisonia (Afghanistan)
Alberta (Africa, Madagascar) (3 spp)
Alberta magna
Alberta 2
Alberta 3
Aleisanthia (Malay peninsula) (2 spp)
Aleisanthia 1
Aleisanthia 2
Alibertia (tropical Americas) (35 spp)
Alibertia edulis
Alibertia garapatica
Alibertia utleyorum
32 Other Alibertia
Allaeophania (Indonesia) (3 spp)
Allaeophania 1
Allaeophania 2
Allaeophania 3
Alleizettea (Madagascar)
Alleizettella (South East Asia)
Allenanthus (Central America) (2 spp)
Allenanthus erythrocarpus
Allenanthus 2
Alseis (Americas) (20 spp)
Alseis blackiana
Alseis hondurensis
18 Other Alseis
Amaioua (South America) (25 spp)
Amaioua corymbosa
Amaioua pedicellata
23 Other Amaioua
Amaracarpus (West Pacific) (60 spp)
Amaracarpus 1
59 Other Amaracarpus
Amphiasma (Africa) (5 spp)
Amphiasma 1
4 Other Amphiasma
Amphidasya (Americas) (7 spp)
Amphidasya ambigua
6 Other Amphidasya
Ancylanthos (tropical Africa) (9 spp)
Ancylanthos 1
8 Other Ancylanthos
Anisomeris (tropical Americas) (50 spp)
Anisomeris 1
49 Other Anisomeris
Anomanthodia (Indomalesia) (2 spp)
Anomanthodia 1
Anomanthodia 2
Antherostele (Philippines) (4 spp)
Antherostele 1
3 Other Antherostele
Anthocephalus (Indomalesia) (2 spp)
Anthocephalus chinensis
Anthocephalus 2
Anthospermum (Africa, Madagascar) (40 spp)
Anthospermum 1
39 Other Anthospermum
Antirhea (tropical, timber) (40 spp)
Antirhea 1
39 Other Antirhea
Aphaenandra (Southeast Asia) (2 spp)
Aphaenandra 1
Aphaenandra 2
Aphanocarpus (Venezuela)
Appunettia (Angola)
Arachnothryx (tropical America) (38 spp)
Arachnothryx 1
37 Other Arachnothryx
Arcytophyllum (tropical American mountains) (30 spp)
Arcytophyllum 1
29 Other Arcytophyllum
Argocoffeopsis (tropical Africa) (8 spp)
Argocoffeopsis 1
7 Other Argocoffeopsis
Argostemma (tropical) (100 spp)
Argostemma rupestre
99 Other Argostemma
Argostemmella (Borneo) (2 spp)
Argostemmella 1
Argostemmella 2
Ariadne (Cuba) (2 spp)
Ariadne 1
Ariadne 2
Asemanthia (Malaysia, Borneo) (5 spp)
Asemanthia 1
4 Other Asemanthia
Asemnantha (Mexico)
Asperula (90 spp)
Asperula cynanchica (squinancywort)
Asperula odorata
Asperula tinctoria (red dye from roots)
87 Other Asperula
Astiella (Madagascar)
Atractocarpus (New Caledonia) (10 spp)
Atractocarpus 1
9 Other Atractocarpus
Atractogyne (West Africa) (3 spp)
Atractogyne 1
Atractogyne 2
Atractogyne 3
Augusta (Brazil)
Aulacocalyx (tropical Africa) (8 spp)
Aulacocalyx 1
7 Other Aulacocalyx
Badusa (West Pacific) (3 spp)
Badusa 1
Badusa 2
Badusa 3
Balmea (Mexico)
Basanacantha (tropical America) (20 spp)
Basanacantha armata (edible fruit)
19 Other Basanacantha
Bathysa (Amazon) (10 spp)
Bathysa 1
9 Other Bathysa
Batopedina (tropical Africa) (3 spp)
Batopedina 1
Batopedina 2
Batopedina 3
Becheria (Malay peninsula)
Belicea (Central America)
Belonophora (tropical Africa) (6 spp)
Belonophora 1
5 Other Belonophora
Benkara (India)
Benzonia (West Africa)
Berghesia (Mexico)
Bertiera (tropical) (55 spp)
Bertiera 1
54 Other Bertiera
Bikkia (West Pacific) (20 spp)
Bikkia 1
19 Other Bikkia
Blandibractea (Brazil)
Blepharidium (Central America) (2 spp)
Blepharidium 1
Blepharidium 2
Bobea (Hawaii) (7 spp)
Bobea 1
6 Other Bobea
Boholia (Malesia)
Bonatia (New Caledonia)
Borojoa (tropical America) (8 spp)
Borojoa 1
7 Other Borojoa
Borreria (buttonweeds) (150 spp)
SEE SEPARATE LIST
Bothriospora (tropical America)
Botryarrhena (South America) (2 spp)
Botryarrhena 1
Botryarrhena 2
Bouvardia (tropical America) (20 spp)
Bouvardia ternifolia
19 Other Bouvardia
Brachytome (Asia) (4 spp)
Brachytome 1
Brachytome 2
Brachytome 3
Brachytome 4
Bradea (Brazil) (5 spp)
Bradea 1
4 Other Bradea
Brenania (West Africa)
Breonadia salicina (Africa, Madagascar)
Breonia (Madagascar) (5 spp)
Breonia 1
4 Other Breonia
Burchellia bubalina (South Africa, buffalo wood)
Burttdavya (tropical Africa)
Buseria (Madagascar)
Byrsophyllum (India, Sri Lanka) (2 spp)
Byrsophyllum 1
Byrsophyllum 2
Calanda (tropical Africa)
Calderonia (Central America) (2 spp)
Calderonia 1
Calderonia 2
Callipeltis (3 spp)
Callipeltis 1
Callipeltis 2
Callipeltis 3
Calochone (West Africa) (2 spp)
Calochone 1
Calochone 2
Calycophyllum (tropical America) (6 spp)
Calycophyllum candidissimum
5 Other Calycophyllum
Calycosia (Polynesia) (5 spp)
Calycosia 1
4 Other Calycosia
Calycosiphonia (tropical Africa) (2 spp)
Calycosiphonia 1
Calycosiphonia 2
Canephora (Madagascar) (5 spp)
Canephora 1
4 Other Canephora
Canthium (some timber and edible fruit) (50 spp)
Canthium 1
49 Other Canthium
Capirona (South America) (5 spp)
Capirona 1
4 Other Capirona
Captaincookia margaretae (New Caledonia)
Carmenocania (tropical America)
Carpacoce (South Africa) (7 spp)
Carpacoce 1
6 Other Carpacoce
Carphalea (Africa, Madagascar) (14 spp)
Carphalea 1
13 Other Carphalea
Casasia (Central America) (10 spp)
Casasia 1
9 Other Casasia
Cascarilla (South America) (25 spp)
Cascarilla 1
24 Other Cascarilla
Catesbaea (West Indies, spiny shrubs) (10 spp)
Catesbaea spinosa (Spanish guava)
9 Other Catesbaea
Catunaregam (tropics) (5 spp)
Catunaregam 1
4 Other Catunaregam
Centhocarpus (Cuba)
Cephaelis (tropics) (100 spp)
Cephaelis ipecacuanha (expectorant)
99 Other Cephaelis
Cephalanthus (North America) (6 spp)
Cephalanthus occidentalis (button bush)
5 Other Cephalanthus
Cephalodendron (Guyana highland)
Ceratopyxis (Cuba)
Chaetostachydium (New Guinea) (3 spp)
Chaetostachydium 1
Chaetostachydium 2
Chaetostachydium 3
Chalepophyllum (Venezuela, Guyana) (5 spp)
Chalepophyllum 1
4 Other Chalepophyllum
Chamaepentas (tropical East Africa)
Chapelieria (Madagascar) (2 spp)
Chapelieria 1
Chapelieria 2
Chassalia (tropics) (42 spp)
Chassalia 1
41 Other Chassalia
Chazaliella (tropical Africa) (24 spp)
Chazaliella 1
23 Other Chazaliella
Chimarrhis (tropical America) (14 spp)
Chimarrhis 1
13 Other Chimarrhis
Chiococca (tropical America, shrubs and vines) (6 spp)
Chiococca alba
5 Other Chiococca
Chione (Central America, West Indies) (15 spp)
Chione sylvicola
14 Other Chione
Cigarilla (Mexico)
Cinchona (quinine) (40 spp)
Cinchona calisaya
Cinchona ledgeriana
Cinchona officinalis
Cinchona pubescens
Cinchona succirubra
35 Other Cinchona
Cladoceras (tropical East Africa)
Clarkella (2 spp)
Clarkella 1 (Himalaya)
Clarkella 2 (Thailand)
Coccochondra (Guayana highland)
Coccocypselum (tropical America) (20 spp)
Coccocypselum cordifolium
Coccocypselum herbaceum
Coccocypselum hirsutum
Coccocypselum lanceolatum
16 Other Coccocypselum
Coddia (South Africa)
Coelopyrena (East Malesia)
Coelospermum (South Asia and West Pacific) (15 spp)
Coelospermum 1
14 Other Coelospermum
Coffea (40 spp)
Coffea arabica (coffee)
39 Other Coffea
Coleactina (tropical West Africa)
Colletoecema (tropical Africa)
Commitheca (tropical West Africa)
Condaminea (Andes) (3 spp)
Condaminea 1
Condaminea 2
Condaminea 3
Conostomium (tropical East Africa) (9 spp)
Conostomium 1
8 Other Conostomium
Coprosma (Malesia, West Pacific) (90 spp)
Coprosma billardierei
Coprosma ernodeoides
Coprosma foetidissima (stinkwood)
87 Other Coprosma
Coptophyllum (Malesia) (3 spp)
Coptophyllum 1
Coptophyllum 2
Coptophyllum 3
Coptosapelta (China and Malesia) (13 spp)
Coptosapelta 1
12 Other Coptosapelta
Corynanthe (tropical Africa) (8 spp)
Corynanthe 1
7 Other Corynanthe
Corynula (Colombia) (2 spp)
Corynula 1
Corynula 2
Coryphothamnus (Venezuela)
Cosmibuena (tropical America, usually epiphytic) (12 spp)
Cosmibuena grandiflora
Cosmibuena macrocarpa
Cosmibuena valerii
9 Other Cosmibuena
Cosmocalyx (Mexico)
Coursiana (Madagascar)
Coussarea (tropical America) (134 spp)
SEE SEPARATE LIST
Coutaportla (Mexico) (2 spp)
Coutaportla 1
Coutaportla 2
Coutarea (Mexico to Argentina) (7 spp)
Coutarea hexandra
6 Other Coutarea
Craterispermum (Africa, Madagascar, Seychelles) (16 spp)
Craterispermum 1
15 Other Craterispermum
Cremaspora (Africa, Comoros) (3 spp)
Cremaspora triflora (blue-black body-dye)
Cremaspora 2
Cremaspora 3
Cremocarpon (Comoros)
Crobylanthe (Borneo)
Crocyllis (South Africa)
Crossopteryx (South Africa, timber, febrifuge)
Crucianella (Europe, Asia) (30 spp)
Crucianella 1
29 Other Crucianella
Cruciata (Europe, Mediterranean) (10 spp)
Cruciata laevipes (crosswort)
9 Other Cruciata
Cruckshanksia (Chile) (7 spp)
Cruckshanksia 1
6 Other Cruckshanksia
Crusea (Americas) (13 spp)
Crusea 1
12 Other Crusea
Cuatrecasasiodendron (Colombia) (2 spp)
Cuatrecasasiodendron 1
Cuatrecasasiodendron 2
Cubanola (Cuba, Hispaniola) (2 spp)
Cubanola 1
Cubanola 2
Cuviera (tropical Africa) (14 spp)
Cuviera 1
13 Other Cuviera
Cyclophyllum (Vanuata, New Caledonia) (11 spp)
Cyclphyllum 1
10 Cyclophyllum
Damnacanthus (East Asia, spiny shrubs) (6 spp)
Damnacanthus 1
5 Other Damnacanthus
Danais (East Africa) (40 spp)
Danais 1
39 Other Danais
Dasycephala (tropical America) (5 spp)
Dasycephala 1
4 Other Dasycephala
Deccania (India)
Declieuxia (tropical American savannas) (27 spp)
Declieuxia fruticosa
26 Other Declieuxia
Dendrosipanea (Americas) (3 spp)
Dendrosipanea 1
Dendrosipanea 2
Dendrosipanea 3
Dentella (Indomalesia, Australia) (10 spp)
Dentella 1
9 Other Dentella
Deppea (Mexico to Venezuela) (20 spp)
Deppea grandiflora
19 Other Deppea
Diacrodon (Brazil)
Dibrachionostylus (tropical East Africa)
Dichilanthe (2 spp)
Dichilanthe 1 (Sri Lanka)
Dichilanthe 2 (Borneo)
Dictyandra (tropical West Africa) (2 spp)
Dictyandra 1
Dictyandra 2
Didymaea (Central America) (5 spp)
Didymaea alsinoides
4 Other Didymaea
Didymochlamys (Panama to Venezuela, epiphytes) (2 spp)
Didymochlamys 1
Didymochlamys 2
Didymoecium (Sumatra)
Didymopogon (Sumatra)
Didymosalpinx (tropical Africa) (4 spp)
Didymosalpinx 1
Didymosalpinx 2
Didymosalpinx 3
Didymosalpinx 4
Diodella (Florida, West Indies)
Diodia (tropics) (30 spp)
Diodia apiculata
Diodia brasiliensis
Diodia sarmentosa
Diodia serrulata
Diodia teres
25 Other Diodia
Dioecrescis (India)
Dioicodendron (tropical South America) (2 spp)
Dioicodendron 1
Dioicodendron 2
Diplospora (China to Australia) (25 spp)
Diplospora 1
24 Other Diplospora
Diyaminauclea (Sri Lanka)
Dolichodelphys (Peru)
Dolicholobium (Philippines to Fiji) (28 spp)
Dolicholobium rheophilum (rheophyte)
27 Other Dolicholobium
Dolichometra (tropical East Africa)
Doricera (Rodrigues)
Duggena (tropical South America, West Indies) (22 spp)
Duggena 1
21 Duggena
Duidania (Venezuela)
Dunnia (India, China) (2 spp)
Dunnia 1
Dunnia 2
Duperrea (India, China, South East Asia) (2 spp)
Duperrea 1
Duperrea 2
Duroia (myrmecophilous, tropical Americas) (20 spp)
Duroia hirsuta (ant-doors)
Duroia petiolaris (ant-doors)
Duroia saccifera (ant-houses on leaves)
17 Other Duroia
Ecpoma (tropical Africa)
Edithea (Mexico)
Eizia (Mexico)
Elaeagia (tropical Americas) (10 spp)
Elaeagia auriculata
Elaeagia karstenii
Elaeagia myriantha
Elaeagia nitidifolia
Elaeagia utilis (pasto lacquer)
Elaeagia uxpanapensis
4 Other Elaeagia
Elattospermum (Madagascar)
Emmenopterys (Burma, China, Thailand) (2 spp)
Emmenopterys 1
Emmenopterys 2
Emmeorhiza (tropical South America)
Eosanthe (Cuba)
Eriosemopsis (South Africa)
Erithalis (Florida, West Indies) (10 spp)
Erithalis 1
9 Other Erithalis
Ernodea (Americas) (9 spp)
Ernodea 1
8 Other Ernodea
Etericius (Guyana)
Exallage (Indomalesia) (24 spp)
Exallage 1
23 Other Exallage
Exandra (Mexico, Central America)
Exechostylus (tropical Africa)
Exostema (tropical Americas) (35 spp)
Exostema caribaeum (princewood)
Exostema mexicanum
33 Other Exostema
Fadogia (tropical Africa) (45 spp)
Fadogia 1
44 Other Fadogia
Fadogiella (tropical Africa) (4 spp)
Fadogiella 1
Fadogiella 2
Fadogiella 3
Fadogiella 4
Faramea (tropical Americas) (125 spp)
SEE SEPARATE LIST
Ferdinandusa (tropical Americas) (20 spp)
Ferdinandusa panamensis
19 Other Ferdinandusa
Feretia (tropical Africa, coffee substitute) (2 spp)
Feretia 1
Feretia 2
Fergusonia (South India, Sri Lanka)
Fernelia (Mascarenes) (4 spp)
Fernelia 1
Fernelia 2
Fernelia 3
Fernelia 4
Flagenium (Africa, Madagascar) (6 spp)
Flagenium 1
5 Other Flagenium
Flexanthera (Colombia, Bolivia) (2 spp)
Flexanthera 1
Flexanthera 2
Gaertnera (30 spp)
Gaertnera 1
29 Other Gaertnera
Galiniera (Africa, Madagascar) (2 spp)
Galiniera 1
Galiniera 2
Galium (herbs, coumarin) (400 spp)
SEE SEPARATE LIST
Gallienia (Madagascar)
Galopina (South Africa) (4 spp)
Galopina 1
Galopina 2
Galopina 3
Galopina 4
Gamotopea (tropical South America) (5 spp)
Gamotopea 1
Gamotopea 2
Gamotopea 3
Gamotopea 4
Gamotopea 5
Gardenia (200 spp)
SEE SEPARATE LIST
Gardeniopsis (Sumatra, Borneo)
Genipa (tropical America) (7 spp)
Genipa americana (genip)
6 Other Genipa
Geophila (20 spp)
Geophila cordifolia
Geophila macropoda
Geophila repens
17 Other Geophila
Gillespiea (Fiji)
Gleasonia (tropical South America) (3 spp)
Gleasonia 1
Gleasonia 2
Gleasonia 3
Globulostylis (West Africa) (3 spp)
Globulostylis 1
Globulostylis 2
Globulostylis 3
Gomphocalyx (Madagascar)
Gonyanera (Sumatra)
Gonzalagunia (tropical America) (15 spp)
Gonzalagunia bracteosa
Gonzalagunia brenesii
Gonzalagunia kallunkiae
Gonzalagunia longithyrsa
Gonzalagunia ovatifolia
Gonzalagunia panamensis
Gonzalagunia rosea
Gonzalagunia rudis
7 Other Gonzalagunia
Gouldia (Hawaii) (3 spp)
Gouldia 1
Gouldia 2
Gouldia 3
Greenea (Indomalesia) (10 spp)
Greenea 1
9 Other Greenea
Greeniopsis (Philippines) (6 spp)
Greeniopsis 1
5 Other Greeniopsis
Guettarda (60 spp)
Guettarda argentea (black guava)
Guettarda speciosa
58 Other Guettarda
Guettardella (West Pacific) (20 spp)
Guettardella 1
19 Other Guettardella
Gynochthodes (West Pacific) (14 spp)
Gynochthodes 1
13 Other Gynochthodes
Gyrostipula (Madagascar, Comores) (2 spp)
Gyrostipula 1
Gyrostipula 2
Habroneuron radicans (Mexico)
Haldina (Asia)
Hallea (tropical Africa) (3 spp)
Hallea 1
Hallea 2
Hallea 3
Hamelia (tropical America) (16 spp)
Hamelia axillaris
Hamelia macrantha
Hamelia magnifolia
Hamelia patens
Hamelia rovirosae
Hamelia xerocarpa
10 Other Hamelia
Hayataella (Taiwan)
Hedstromia (Fiji)
Hedyotis (tropical and warm) (150 spp)
SEE SEPARATE LIST
Hedythyrsus (tropical Africa) (2 spp)
Hedythyrsus 1
Hedythyrsus 2
Heinsenia (tropical Africa)
Heinsia (tropical Africa, edible fruit, timber) (4 spp)
Heinsia 1
Heinsia 2
Heinsia 3
Heinsia 4
Hekistocarpa (tropical West Africa)
Henriquezia (Amazon) (7 spp)
Henriquezia 1
6 Other Henriquezia
Heterophyllaea (Bolivia, Argentina) (4 spp)
Heterophyllaea 1
Heterophyllaea 2
Heterophyllaea 3
Heterophyllaea 4
Hillia (tropical Americas, epiphytic) (20 spp)
Hillia 1
19 Other Hillia
Himalrandia (Himalaya) (3 spp)
Himalrandia 1
Himalrandia 2
Himalrandia 3
Hindsia (tropical South America) (8 spp)
Hindsia 1
7 Other Hindsia
Hintonia (Central America) (4 spp)
Hintonia 1
Hintonia 2
Hintonia 3
Hintonia 4
Hippotis (tropical America) (12 spp)
Hippotis 1
11 Other Hippotis
Hodgkinsonia (Australia)
Hoffmannia (Mexico to Argentina) (125 spp)
SEE SEPARATE LIST
Holocarpa (Madagascar)
Holostyla (New Caledonia) (2 spp)
Holostyla 1
Holostyla 2
Holtonia (Colombia)
Homollea (Madagascar) (3 spp)
Homollea 1
Homollea 2
Homollea 3
Homolliella (Madagascar)
Hydnophytum (Indomalesia) (60 spp)
Hydnophytum 1
59 Other Hydnophytum
Hydrophylax (Asia, Africa) (3 spp)
Hydrophylax 1
Hydrophylax 2
Hydrophylax 3
Hymenocnemis (Madagascar)
Hymenocoleus (tropical Africa) (12 spp)
Hymenocoleus 1
11 Other Hymenocoleus
Hymenodictyon (20 spp)
Hymenodictyon orixense (timber, febrifuge)
19 Other Hymenodictyon
Hypobathrum (Burma to West Malesia) (9 spp)
Hypobathrum 1
8 Other Hypobathrum
Hyptianthera (India, Thailand) (2 spp)
Hyptianthera 1
Hyptianthera 2
Ibetralia (Guyana)
Indopolysolenia (Himalaya)
Isertia (tropical Americas) (12 spp)
Isertia 1
11 Other Isertia
Isidorea (West Indies) (11 spp)
Isidorea 1
10 Other Isidorea
Ixora (shrubs, trees) (300 spp)
SEE SEPARATE LIST
Jackiopsis (Malesia)
Jahnia (Venezuela)
Janotia (Madagascar)
Jaubertia (16 spp)
Jaubertia 1
15 Other Jaubertia
Joosia (West South America) (7 spp)
Joosia 1
6 Other Joosia
Jovetia (Madagascar) (2 spp)
Jovetia 1
Jovetia 2
Kadua (Hawaii) (23 spp)
Kadua 1
22 Other Kadua
Kailarsenia (Southeast Asia) (6 spp)
Kailarsenia 1
5 Other Kailarsenia
Kajewskiella (Solomon Islands) (2 spp)
Kajewskiella 1
Kajewskiella 2
Keenania (Assam, Southeast Asia) (5 spp)
Keenania 1
4 Other Keenania
Kelloggia (2 spp)
Kelloggia 1 (China)
Kelloggia 2 (Southwest United States)
Khasiaclunea (East Asia)
Klossia (Malay Peninsula)
Knoxia (Indomalesia) (15 spp)
Knoxia 1
14 Other Knoxia
Kraussia (Africa) (3 spp)
Kraussia 1
Kraussia 2
Kraussia 3
Kutchubaea (tropical South America) (11 spp)
Kutchubaea 1
10 Other Kutchubaea
Ladenbergia (tropical Americas, quinine-like alkalis) (30 spp)
Ladenbergia 1
29 Other Ladenbergia
Lagynias (Africa) (5 spp)
Lagynias 1
4 Other Lagynias
Lamprothamnus (tropical East Africa)
Lasianthus (tropical) (150 spp)
SEE SEPARATE LIST
Lathraeocarpa (Madagascar) (2 spp)
Lathraeocarpa 1
Lathraeodarpa 2
Lecananthus (West Malesia) (2 spp)
Lecananthus 1
Lecananthus 2
Lecanosperma (Bolivia)
Lecariocalyx (Borneo)
Lelya (tropical Africa)
Lemyrea (Madagascar) (3 spp)
Lemyrea 1
Lemyrea 2
Lemyrea 3
Leidostoma (Sumatra)
Leptactina (Africa) (25 spp)
Leptactina 1
24 Other Leptactina
Leptodermis (Himalaya to Japan) (30 spp)
Leptodermis 1
29 Other Leptodermis
Leptomischus (Southeast Asia)
Leptoscela (Brazil)
Leptunis (Asia, annuals) (2 spp)
Leptunis 1
Leptunis 2
Leroya (Madagascar) (2 spp)
Leroya 1
Leroya 2
Leucocodon (Sri Lanka)
Leucolophus (Malay peninsula, Sumatra) (3 spp)
Leucolophus 1
Leucolophus 2
Leucolophus 3
Limnosipanea (tropical Americas, aquatic) (7 spp)
Limnosipanea spruceana
6 Other Limnosipanea
Lindenia (rheophytes) (3 spp)
Lindenia 1 (New Caledonia)
Lindenia 2 (Fiji)
Lindenia 3 (Central America)
Lipostoma (Brazil)
Litosanthes (5 spp)
Litosanthes 1 (Taiwan)
Litosanthes 2 (Java)
Litosanthes 3 (New Guinea)
Litosanthes 4 (New Guinea)
Litosanthes 5 (New Guinea)
Loretoa (Peru)
Lucinaea (Malesia, New Caledonia) (25 spp)
Lucinaea 1
24 Other Lucinaea
Luculia (Himalaya, Yunnan) (5 spp)
Luculia 1
4 Other Luculia
Lucya (West Indies)
Ludekia (Borneo, Philippines) (2 spp)
Ludekia 1
Ludekia 2
Lygodisodea (tropical Americas) (4 spp)
Lygodisodea 1
Lygodisodea 2
Lygodisodea 3
Lygodisodea 4
Macbrideina (Peru)
Machaonia (tropical Americas) (25 spp)
Machaonia 1
24 Other Machaonia
Macrocnemum (Central America to Colombia) (20 spp)
Macrocnemum 1
19 Other Macrocnemum
Macrosphyra (tropical Africa) (3 spp)
Macrosphyra 1
Macrosphyra 2
Macrosphyra 3
Maguireocharis (Guayana highland)
Maguireothamnus (Venezuela) (2 spp)
Maguireothamnus 1
Maguireothamnus 2
Malanea (tropical Americas, vines) (21 spp)
Malanea 1
20 Other Malanea
Manettia (tropical Americas, vines) (80 spp)
Manettia cordifolia
Manettia inflata
78 Other Manettia
Manostachya (tropical Africa) (3 spp)
Manostachya 1
Manostachya 2
Manostachya 3
Mantalania (Madagascar) (2 spp)
Mantalania 1
Mantalania 2
Mapouria (170 spp)
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Margaritopsis (West Indies) (4 spp)
Margaritopsis 1
Margaritopsis 2
Margaritopsis 3
Margaritopsis 4
Maschalocorymbus (4 spp)
Maschalocorymbus 1
3 Other Maschalocorymbus
Maschalodesme (New Guinea) (2 spp)
Maschalodesme 1
Maschalodesme 2
Massularia (tropical East Africa)
Mastixiodendron (Malesia) (7 spp)
Mastixiodendron 1
6 Other Mastixiodendron
Mericarpaea (West Asia)
Mericocalyx (tropical Africa) (2 spp)
Mericocalyx 1
Mericocalyx 2
Merumea (Guayana) (2 spp)
Merumea 1
Merumea 2
Mesoptera (Malay peninsula)
Metabolos (tropical Asia) (10 spp)
Metabolos 1
9 Other Metabolos
Metadina (Java)
Meyna (Africa, Asia) (11 spp)
Meyna 1
10 Other Meyna
Micrasepalum (West Indies) (2 spp)
Micrasepalum 1
Micrasepalum 2
Microphysa (Central Asia)
Mitchella (2 spp)
Mitchella repens (partridge berry, North America)
Mitchella 2 (Japan)
Mitracarpus (tropical Americas) (30 spp)
Mitracarpus 1
29 Other Mitracarpus
Mitragyna (tropical) (10 spp)
Mitragyna stipulosa
9 Other Mitragyna
Mitrasacmopsis (East Africa, Madagascar)
Mitriostigma (Africa) (5 spp)
Mitriostigma 1
4 Other Mitriostigma
Molopanthera (Brazil)
Morinda (50 spp)
Morinda citrifolia
Morinda panamensis
48 Other Morinda
1411 Other Rubiaceae
Mussaenda (256 spp)
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Myrmecodia (45 spp)
Myrmecodia beccarii
44 Other Myrmecodia
Nauclea (10 spp)
Nauclea orientalis
9 Other Nauclea
Nertera (6 spp)
Nertera granadensis
5 Other Nertera
Oldenlandia (300 spp)
Oldenlandia corymbosa
Oldenlandia lancifolia
Oldenlandia microtheca
297 Other Oldenlandia
Ophiorrhiza (150 spp)
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Osa pulchra
Paederia (20 spp)
Paederia foetida
19 Other Paederia
Palicourea (250 spp)
Palicourea adusta
Palicourea albocaerulea
Palicourea angustifolia
Palicourea bella
Palicourea bellula
Palicourea brenesii
Palicourea crocea
Palicourea discolor
Palicourea garciae
Palicourea gomezii
Palicourea guianensis
Palicourea hammelii
Palicourea lancifera
Palicourea lasiorrhachis
Palicourea macrocalyx
Palicourea montivaga
Palicourea orosiana
Palicourea padifolia
Palicourea pauciflora
Palicourea purpurea
Palicourea salicifolia
Palicourea skotakii
Palicourea spathacea
Palicourea standleyana
Palicourea tilaranensis
Palicourea triphylla
Palicourea vestita
223 Other Palicourea
Pentagonia (25 spp)
Pentagonia costaricensis
Pentagonia donnell-smithii
Pentagonia lobata
Pentagonia macrophylla
Pentagonia nuciformis
Pentagonia sprucei
Pentagonia tinajita
Pentagonia wendlandii
17 Other Pentagonia
Pentas (34 spp)
Pentas lanceolata
33 Other Pentas
Pogonopus (2 spp)
Pogonopus speciosus
Pogonopus 2
Posoqueria (12 spp)
Posoqueria coriacea
Posoqueria grandiflora
Posoqueria latifolia
Posoqueria maxima
Posoqueria panamensis
7 Other Posoqueria
Psychotria (shrubs, trees, hallucinogen) (1400 spp)
SEE SEPARATE LIST
Randia (18 spp)
Randia aculeata
Randia altiscandens
Randia armata
Randia brenesii
Randia calycosa
Randia genipoides
Randia gentryi
Randia grandifolia
Randia grayumii
Randia karstenii
Randia loniceroides
Randia matudae
Randia mira
Randia monantha
Randia pittieri
Randia retroflexa
Randia spinosa
Randia thurberi
Raritebe (3 spp)
Raritebe palicoureoides
Raritebe panamense
Raritebe trifoliatum
Richardia scabra
Rondeletia (125 spp)
Rondeletia amoena
Rondeletia aspera
Rondeletia bertieroides
Rondeletia brenesii
Rondeletia buddleioides
Rondeletia calycosa
Rondeletia chaconii
Rondeletia costaricensis
Rondeletia hamelifolia
Rondeletia monteverdensis
Rondeletia povedae
Rondeletia tayloriae
Rondeletia torresii
Rondeletia urophylla
111 Other Rondeletia
Rubia (60 spp)
Rubia tinctorum
59 Other Rubia
Rudgea (75 spp)
Rudgea amplexicaulis
Rudgea chiriquiensis
Rudgea cornifolia
Rudgea laevis
Rudgea monofructus
Rudgea raveniana
Rudgea reducticalyx
Rudgea skutchii
Rudgea trifurcata
66 Other Rudgea
Rustia (15 spp)
Rustia costaricensis
Rustia occidentalis
13 Other Rustia
Sabicea (120 spp)
Sabicea panamensis
Sabicea villosa
118 Other Sabicea
Schradera (25 spp)
Schradera costaricensis
24 Other Schradera
Serissa japonica
Sherardia arvensis
Simira (35 spp)
Simira maxonii
34 Other Simira
Sipanea (17 spp)
Sipanea biflora
16 Other Sipanea
Sommera (12 spp)
Sommera donnell-smithii
11 Other Sommera
Spermacoce (100 spp)
Spermacoce assurgens
Spermacoce capitata
Spermacoce confusa
Spermacoce densiflora
Spermacoce exilis
Spermacoce gracilis
Spermacoce latifolia
Spermacoce ovalifolia
Spermacoce prostrata
Spermacoce scabiosoides
Spermacoce tenuior
Spermacoce verticillata
88 Other Spermacoce
Tapiphyllum (tropical Africa) (12 spp)
Tapiphyllum 1
11 Other Tapiphyllum
Tarenna (tropical) (180 spp)
Tarenna 1
179 Other Tarenna
Teinosolen (Andes) (4 spp)
Teinosolen 1
3 Other Teinosolen
Temnocalyx (Tanzania)
Temnopteryx (tropical West Africa)
Tennantia (East Africa)
Tetralopha (Malesia) (5 spp)
Tetralopha 1
4 Other Tetralopha
Tetraplasia (Taiwan, Ryukyus) (4 spp)
Tetraplasia 1
3 Other Tetraplasia
Thecagonum (East Asia to West Pacific) (4 spp)
Thecagonum 1
3 Other Thecagonum
Thecorchus (tropical Africa)
Thogsennia (Cuba)
Thouarsiora (Madagascar)
Thyridocalyx (Madagascar)
Timonius (150 spp)
SEE SEPARATE LIST
Tobagoa (tropical Americas)
Tocoyena (tropical Americas) (20 spp)
Tocoyena pittieri
19 Other Tocoyena
Tortuella (Haiti)
Tournefortiopsis (Andes) (3 spp)
Tournefortiopsis 1
Tournefortiopsis 2
Tournefortiopsis 3
Trailliaedoxa (China)
Tresanthera (Venezuela, Tobago) (2 spp)
Tresanthera 1
Tresanthera 2
Triainolepis (East Africa, Madagascar) (2 spp)
Triainolepis 1
Triainolepis 2
Tricalysia (tropical) (100 spp)
Tricalysia 1
99 Other Tricalysia
Trichostachys (tropical Africa) (10 spp)
Trichostachys 1
9 Other Trichostachys
Trigonopyren (Madagascar, Comores) (9 spp)
Trigonopyren 1
8 Other Trigonopyren
Uncaria (tropical) (34 spp)
Uncaria gambir
Uncaria tomentosa
32 Other Uncaria
Urophyllum (150 spp)
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Valantia (Eurasia) (3 spp)
Valantia 1
Valantia 2
Valantia 3
Vangueria (tropical Africa) (27 spp)
Vangueria madagascariensis
26 Other Vangueria
Vangueriopsis (tropical Africa) (18 spp)
Vangueriopsis 1
17 Other Vangueriopsis
Versteegia (Papuasia) (5 spp)
Versteegia 1
4 Other Versteegia
Villaria (Philippines) (5 spp)
Villaria 1
4 Other Villaria
Virectaria (tropical Africa) (7 spp)
Virectaria 1
6 Other Virectaria
Warburgina (Syria, Isreal)
Warszewiczia (tropical Americas) (4 spp)
Warszewiczia coccinea
3 Other Warszewiczia
Wendlandia (Indomalesia) (56 spp)
Wendlandia 1
55 Other Wendlandia
Wernhamia (Bolivia)
Wittmackanthus (tropical Americas)
Xanthophytopsis (Southeast Asia) (2 spp)
Xanthophytopsis 1
Xanthophytopsis 2
Xanthophytum (Southeast Asia to Fiji) (15 spp)
Xanthophytum 1
14 Other Xanthophytum
Xantonnea (Southeast Asia) (3 spp)
Xantonnea 1
Xantonnea 2
Xantonnea 3
Xantonneopsis (Southeast Asia)
Xerococcus (Panama, Costa Rica) (2 spp)
Xerococcus 1
Xerococcus 2
Zeuxanthe (Borneo) (3 spp)
Zeuxanthe 1
Zeuxanthe 2
Zeuxanthe 3
Zuccarinia (Java, Sumatra) (2 spp)
Zuccarinia 1
Zuccarinia 2