Derivation: Cachoeira do Samuel (=waterfall [Port.]).
Collected by Vello.
Location: R. Jamari, Rondonia, Brazil.
Vello and Medeiros, 1966 [VEL66A]. Fruit - medium to large, melon shaped with a rhomboidal end or non-tapering tip.
Notes: Vello & Medeiros, 1966 (VEL66A] Cachoeira do Samuel (Port.- Waterfall) 1965 Brazilian expedition - all lost.