Monographs Details: Senna dariensis var. hypoglauca 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 - Essentially as var. gatunensis except for dorsally glabrous, notably glaucous foliage, small glabrous calyx and generally shorter petals; petioles 3.5-5 cm; rachis 3-4.5 cm, either longer or shorter than petiole.—Collections: 6. [Key: "Pod 4.5-6.5 mm diam; anthers glabrous or minutely strigulose in the grooves; Costa Rica, Panama and n.-w. Colombia. Sepals glabrous, the longest 4.2-6 mm; lower face of lfts, except for remotely puberulent major veins, glabrous; cloud forest of Continental Divide in centr. Panama, 300-900 m."]

Distribution and Ecology - Cloud-forest, 350-900 m, scattered along and near the Continental Divide in centr. Panama, from Santa Fe (Veraguas) to Cerro Pilon (Code) and Cerro Campana (w. Panama).—Fl. VIII-X.

Distribution:Veraguas Panama Central America| Coclé Panamá Central America| Panamá Panama Central America|