Oxypetalum flavopurpureum Goyder & Fontella-Pereira (2005: 97)

Farinaccio, Maria Ana & Goyder, David J., 2016, A synopsis of Oxypetalum (Apocynaceae) in Bolivia, with the description of one new species and a key to species in Bolivia, Phytotaxa 267 (1), pp. 16-28 : 23

13. Oxypetalum flavopurpureum Goyder & Fontella-Pereira (2005: 97) . Type:— BOLIVIA. Santa Cruz, Prov. Ibañez, Los Espejillos, by path to waterfalls, 14 April 1996, J. R. I. Wood 11002 (holotype K!, isotype LPB!)

Distribution: — BOLIVIA: Santa Cruz. Primary forest on steep slope; 200–650 m elev. Also known from Equador, Peru and Brazil.

Notes: — Ule 9525 represents a new record of this species for Brazil, and Neill 10244 for Equador.

Representative specimens examined: — BRAZIL. Acre: s.l. Amazon Expedition. May 1911 (fl), E. Ule 9525 (K). EQUADOR. Napo: Tena, Jatun Sacha Biological Staion, South of Rio Napo, 8km east of Misahualli. 21 July 1993 (fl), D. Neill 10244 (MO). BOLIVIA. Santa Cruz: Ibañez, Los Espejillos, by path to waterfalls, 650 m elev., 14 April 1996 (fl), J. R. I. Wood 11002 (K, LPB).