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World flora
Plants of the world flora
Explore
Families
Genera
264
Species
Family:
Rubiaceae
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Genera
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Observations count
Species count
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Achilleanthus
27
22
Observations
1
species
Acranthera
1
1
Observation
1
species
Adina
12
7
Observations
2
species
Afrocanthium
59
9
Observations
2
species
Agouticarpa
1
1
Observation
1
species
Aidia
37
24
Observations
5
species
Alberta
11
4
Observations
1
species
Alibertia
228
101
Observations
9
species
Alseis
65
14
Observations
2
species
Amaioua
92
20
Observations
5
species
Amphidasya
35
4
Observations
1
species
Anthospermum
3
1
Observation
1
species
Antirhea
299
69
Observations
1
species
Aoranthe
8
3
Observations
1
species
Appunia
7
3
Observations
2
species
Arachnothryx
171
61
Observations
7
species
Arcytophyllum
31
13
Observations
4
species
Argostemma
32
5
Observations
5
species
Asperula
466
283
Observations
6
species
Atractocarpus
193
135
Observations
15
species
Atractogyne
5
2
Observations
2
species
Augusta
57
23
Observations
3
species
Aulacocalyx
38
12
Observations
2
species
Bathysa
2
1
Observation
1
species
Belonophora
12
4
Observations
3
species
Bertiera
491
129
Observations
16
species
Bikkia
19
15
Observations
1
species
Bothriospora
1
1
Observation
1
species
Botryarrhena
6
6
Observations
1
species
Bouvardia
184
169
Observations
2
species
Bremeria
86
11
Observations
2
species
Breonadia
75
14
Observations
1
species
Breonia
1
1
Observation
1
species
Buchozia
240
177
Observations
1
species
Burchellia
14
5
Observations
1
species
Callipeltis
51
14
Observations
2
species
Calycophyllum
120
43
Observations
4
species
Canthium
25
10
Observations
5
species
Canthiumera
1
1
Observation
1
species
Capirona
21
2
Observations
1
species
Carapichea
72
26
Observations
8
species
Casasia
10
7
Observations
2
species
Catesbaea
4
1
Observation
1
species
Catunaregam
28
18
Observations
2
species
Cephalanthus
1,244
1,067
Observations
5
species
Chassalia
470
167
Observations
17
species
Chimarrhis
198
62
Observations
6
species
Chiococca
217
82
Observations
5
species
Chione
72
9
Observations
1
species
Chomelia
80
30
Observations
6
species
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Genera