Exostema valenzuelae A.Rich. ex Urb., 1928 species accepted

Cinchona canescens (Bartl. ex DC.) Brign. species synonym

Exostema grandiflorum hort. ex Regel, 1860 species accepted

Exostema canescens Bartl. ex DC. species doubtful

Exostema parviflorum A.Rich. ex Kunth species accepted

Exostema revolutum Borhidi & M.Fernández species accepted

Exostema salicifolium Griseb. species accepted

Exostema coriaceum (Poir.) Schult. species accepted

Cinchona coriacea Poir. species synonym

Exostema spinosum (Le Vavass.) Krug & Urb. species accepted

Cinchona spinosa Le Vavass. species synonym

Exostema bicolor Poepp. species accepted

Cinchona bicolor (Poepp.) Brign. species synonym

Exostema caribaeum (Jacq.) Schult. species accepted

Cinchona herbacea L. species synonym

Cinchona caribbeana W.Wright species synonym

Exostema caribaeum var. pubescens Borhidi & O.Muñiz variety synonym

Cinchona myrtifolia Stokes species synonym

Exostema longicuspe Oerst. species synonym

Cinchona racemosa Schrank ex Steud. species synonym

Exostema caribaeum var. velutinum Urb. variety synonym

Cinchona jamaicensis Wright species synonym

Cinchona caribaea Jacq. species synonym

Exostema purpureum Griseb. species accepted

Exostema purpureum var. mensurensis Kitan. variety synonym

Exostema purpureum subsp. avenium Borhidi & M.Fernández subspecies synonym

Exostema acuminatum Urb. species accepted

Exostema glaberrimum Borhidi & M.Fernández species accepted

Exostema nitens Urb. species accepted

Exostema veraensis Kitanov species synonym

Exostema lancifolium Borhidi & Acuña species accepted

Exostema purpureum subsp. purpureum subspecies synonym

Exostema purpureum var. mensurense Kitan. variety synonym

Exostema coriaceum Spreng. species doubtful

Exostema triflorum Griseb. species accepted

Exostema parviflorum Rich., 1807 species doubtful

Exostema grandiflorum hort. species homotypic synonym

Cinchona racemosa Schrank species homotypic synonym

Exostema canescens Bartl. species homotypic synonym