Riverbanks, thickets along streams, sometimes weedy on roadsides, 525-1250 m, apparently local in the Cordilleras of n. and centr. Colombia, from Santa Marta s. to Antioquia and Cundinamarca.—Fl. VI-XII.
Irwin, Howard S. & Barneby, Rupert C. 1982. The American Cassiinae. A synoptical revision of Leguminosae tribe Cassieae subtrib Cassiinae in the New World. Mem. New York Bot. Gard. 35, part 1: 1-454.
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