Steyermark, J. A. & Smith, A. R. 1986. Ann. Missouri Bot. Gard. 73: 209.
Edge of Rio San Gian, S of Borburata between Los Tanques and La Tomar., Carabobo, Venezuela, South America - Neotropics
1 Apr 1966
2 collections of same taxon with similar numbers have apparently been confused and mis-cited. Protologue cites holotype as Steyermark & Steyermark 95418 and as USNH 2549293, but that sheet is Steyermark & Steyermark 95148 (collection cited as paratype).