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932 gentians, dogbanes, madders, and allies species
Plumeria pudica
Portlandia grandiflora
Hoya australis
Houstonia montana
Phuopsis stylosa
Oldenlandia herbacea
Coprosma robusta
Carissa spinarum
Atractocarpus fitzalanii
Psydrax odoratus
Ceropegia woodii
Aspidosperma quebracho-blanco
Ceropegia linearis
Alstonia spectabilis
Strophanthus divaricatus
Alstonia venenata
Carissa carandas
Ceropegia sandersonii
Mitriostigma axillare
Rothmannia annae
Canthium coromandelicum
Galium normanii
Strychnos nux-vomica
Galium rotundifolium
Gentiana frigida
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