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932 gentians, dogbanes, madders, and allies species
Kailarsenia lineata
Hamelia cuprea
Mandevilla boliviensis
Manettia luteorubra
Mitragyna speciosa
Pachypodium saundersii
Portlandia coccinea
Psychotria kirkii
Rosenbergiodendron formosum
Strophanthus wallichii
Rothmannia globosa
Cynanchum acutum
Catharanthus trichophyllus
Mascarenhasia lisianthiflora
Kadua axillaris
Kadua centranthoides
Kadua affinis
Tacazzea apiculata
Pyrostria bibracteata
Hoodia gordonii
Kadua degeneri
Mussaenda raiateensis
Gentiana squarrosa
Ixora samoensis
Holarrhena floribunda
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