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932 gentians, dogbanes, madders, and allies species
Stephanotis floribunda
Serissa japonica
Rubia tinctorum
Arachnothryx leucophylla
Hoya bella
Nauclea latifolia
Stapelia hirsuta
Geniostoma rupestre
Manettia cordifolia
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
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