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World flora
Plants of the world flora
Explore
Families
Genera
244
Species
Family:
Rubiaceae
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Genera
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Observations count
Species count
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Acranthera
1
1
Observation
1
species
Afrocanthium
59
9
Observations
2
species
Agouticarpa
1
1
Observation
1
species
Aidia
36
23
Observations
5
species
Alberta
11
4
Observations
1
species
Alibertia
221
100
Observations
9
species
Alseis
65
14
Observations
2
species
Amaioua
89
17
Observations
4
species
Amphidasya
35
4
Observations
1
species
Anthospermum
3
1
Observation
1
species
Antirhea
307
77
Observations
2
species
Aoranthe
8
3
Observations
1
species
Appunia
7
3
Observations
2
species
Arachnothryx
128
56
Observations
6
species
Arcytophyllum
31
13
Observations
4
species
Argostemma
32
5
Observations
5
species
Asperula
1,810
1,062
Observations
19
species
Atractocarpus
92
72
Observations
10
species
Atractogyne
5
2
Observations
2
species
Augusta
55
22
Observations
2
species
Aulacocalyx
24
8
Observations
2
species
Bathysa
2
1
Observation
1
species
Belonophora
5
2
Observations
1
species
Bertiera
478
122
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
4
species
Breonadia
76
15
Observations
1
species
Breonia
1
1
Observation
1
species
Burchellia
14
5
Observations
1
species
Callipeltis
50
13
Observations
2
species
Calycophyllum
120
43
Observations
4
species
Canthium
25
10
Observations
5
species
Capirona
21
2
Observations
1
species
Carapichea
55
14
Observations
4
species
Carphalea
7
6
Observations
1
species
Casasia
10
7
Observations
2
species
Catesbaea
4
1
Observation
1
species
Catunaregam
24
16
Observations
2
species
Cephalanthus
1,222
1,047
Observations
6
species
Chassalia
433
153
Observations
15
species
Chazaliella
3
2
Observations
1
species
Chimarrhis
198
62
Observations
6
species
Chiococca
205
79
Observations
4
species
Chione
72
9
Observations
1
species
Chomelia
76
29
Observations
6
species
Cinchona
28
8
Observations
2
species
Coccocypselum
193
80
Observations
7
species
Coelospermum
51
42
Observations
3
species
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Genera