Type : Guyane, Cayenne, s.col. (HT: non préparé?).
Type non désigné d'après
The Linnean Plant Name Typification Project, qui précise "Although Staples (in Howard,
Fl. Lesser Antilles 6: 498. 1989)
stated "Type : Cayenne, Royen, n. v.", the statement is derived from the
protologue and does not imply the existence of a specific D. van Royen
collection."