Mimosa sensitiva var. sensitiva

Title

Mimosa sensitiva var. sensitiva

Authors

Rupert C. Barneby

Scientific Name

Mimosa sensitiva L. var. sensitiva

Description

322a. Mimosa sensitiva Linnaeus var. sensitiva.

M. sensitiva Linnaeus, 1753, l.c., sens. str.— "Habitat in Brasília."—Based exclusively on Mimosa [in text Aeschynomene] spinosa prima seu brasiliana latifolia siliquis radiatis Breyne, Exot. pl. cent. 1: 31, t. 16. 1678, this meticulous description and lifelike figure providing the holotypus!

M. litigiosa Martius, Flora 21(2, Beibl. 4): 58 [=Herb. fl. bras. 138]. 1838.—". .. in sepibus ad Soteropolin [Salvador, Bahia], prope Pará et prope Ega in prov. Rio Negro."—Lectotypus, Martius s.n., "in sylvis prope Pará," M (ticket 389)!; isotypus, K! = NY Neg. 1771; syntypus, Martius s.n., "ad Ega," M (ticket 387)!—The syntypi Martius s.n., "ad Soteropolin," M (ticket 386)! and "ad Pará" M (ticket 388) = M. velloziana. — Equated with M. sensitiva by Bentham, 1875: 390.

M. sensitiva sensu Bentham, 1875: 390, 1876: 305, max. ex parte, exclus. syn. M. malitiosa.

Characters as given in key to varieties.

In seasonally dry woodland, thickets, savanna bush-islands, and coastal restinga, becoming weedy in capoeira and along roadsides, in Brazil from near sea-level to 1000 m in Chapada Diamantina (Bahia), interruptedly widespread over e. Brazil from centr. upland and Atlantic coastal Bahia to the middle and lower Amazon Basin, thence n. to the Orinoco Basin and the Caribbean slope in Zulia, Yaracuy and Carabobo in Venezuela; one Brazilian record from Mato Grosso do Sul (mun. Aquidauana, perhaps adventive in cattle land) and one from s.-centr. Minas Gerais (Ouro Preto).— Fl. primarily XII-IV, but randomly at other seasons.-Lambe-beiço (Bahia). Map 49.