Monographs Details: Cassia fastuosa var. calva H.S.Irwin & Barneby
Authors:Howard S. Irwin, Rupert C. Barneby
Authority: 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.
Description:Variety Description - Characters as given in key [Key: "Fertilized ovary lacking a secondary indumentum, its pilosity quickly dispersed over the expanding valves of the pod and ultimately deciduous, the developing and mature pod glabrate lustrous; s.-w. Brazil (Acre, Rondonia, n. Mato Grosso) and adjoining Bolivia (Beni)."]; fertile anthers glabrous or puberulent.—Collections: 12

Distribution and Ecology - Habitats of var. fastuosa, but allopatric on the upper forks of rios Purus, Madeira and Mamore in Acre, Rondonia and n. Mato Grosso, Brazil and closely adjoining Beni, Bolivia.—Fl. VIII-IX.

Distribution:Acre Brazil South America| Rondônia Brazil South America| Mato Grosso Brazil South America| Beni Bolivia South America|