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932 gentians, dogbanes, madders, and allies species
Mussaenda arcuata
Strophanthus boivinii
Huernia schneideriana
Pavetta australiensis
Gardenia mutabilis
Hydnophytum formicarum
Gardenia tubifera
Hoya lacunosa
Mussaenda glabra
Ochrosia oppositifolia
Psychotria luzoniensis
Rondeletia odorata
Telosma cordata
Oldenlandia affinis
Aidia cochinchinensis
Allamanda oenotherifolia
Calycophyllum spruceanum
Plumeria cubensis
Catesbaea spinosa
Ceropegia ampliata
Cubanola domingensis
Dischidia ovata
Hoya archboldiana
Hoya curtisii
Ixora hookeri
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