Narratives Details:
Title:Mimosa microcephala subsp. cataractae var. cataractae
Authors:Rupert C. Barneby

285/Ia. Mimosa microcephala Humboldt & Bonpland ex Willdenow subsp. cataractae (Ducke) Barneby var. cataractae. M. cataractae Ducke, 1922, l.c., sens. str.—"Hab. in ripis fluminis Tapajoz prope cataractam Maranhão Grande, l[egit] A. Ducke 25-6-1918, [MG] n. 17.070."—Holotypus, MG!; isotypi, BM! G! = F Neg. 28203 = NY Neg. 11828, P! R 5520! US!

M. plumaeifolia Kleinhoonte, Recueil Trav. Bot. Néerl. 30: 167 = Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 5: 5. 1933.—"Surinam: am Oberen Tapahoniflusse, in der Nähe des Teeboeberges, Versteeg 796 (Typus); Versteeg Herb. Utrecht 31823 . ..; am Coppenameflusse, in der Nähe des Voltsberges, Pulle 266"—Holotypus, U, not seen; paratypus, Pulle 266, NY!

M. cataractae sensu Ducke, 1949: 58.

M. adversa sensu Pulle, 1906: 206; non Bentham.

M. plumaeifolia sensu Irwin, 1966: 103 ("plumifolia"), max. ex parte, exclus. Steyermark 89266 quae = var. sequ.

Leaf-stalks of major lvs 7-14 cm, the pinnae (8-) 10-18-jug., inserted up to (5—)6— 11 mm apart; rachis of longer pinnae 3-5(-5.5) cm; lfts of longer pinnae (33-)40-60-jug., the longer ones 4-6.5 mm, acute.

Forming free-standing erect or diffuse bushes on rocky shores, islands in river rapids, outcrops in forest, and becoming sarmentose-scandent at forest-margins, 200-500 m, locally plentiful along streams flowing n. from the Wilhelmina Mts. in Surinam and along the upper Oiapock in French Guiana and adj. Amapá, Brazil, disjunct on rio Tapajós at 4°30'S in w.-centr. Pará and in centr. Roraima (S. Luiz do Anauá), Brazil.—Fl. V- VIII. —Queue-lézard (French Guiana, applied also to some prickly Piptadenia spp.). Map 43.