Mimosa brevipetiolata var. hirtula

Title

Mimosa brevipetiolata var. hirtula

Authors

Rupert C. Barneby

Scientific Name

Mimosa brevipetiolata var. hirtula (Burkart) Barneby

Description

332a. Mimosa brevipetiolata Burkart var. hirtula (Burkart) Barneby, comb. nov. M. petraea var. hirtula Burkart, Darwiniana 8(1): 174, fig. 28(Pe), lam. 21. 1948.—"Argentina. Misiones: . . . Estación experimental del Ministerio de Agricultura, A. Burkart 15270, 11.II.1945. ..." —Holotypus, SI (seen only in photo, l.c.); paratypi, Ekman 1639, MICH! NY! S!

M. distans (?) sensu M. Micheli, 1883: 54 (.Balansa 1456, G!).

M. acerba ± var. minor sensu Chodat & Hassler, 1904: 551 (Hassler 2956, G!; 3349, G! P!; 6159, G!; 6818, G! P!; 7917, G!).

Pinnae relatively long, narrow and multifoliolate, as given in key to vars.; larger lfts (4.5-) 5-9 x 1-1.6 mm; capitula often pseudoracemose prior to anthesis, but in fruit all subtended by an expanded lf.

In campo, ±100-350 m, locally plentiful around the s. and s.-w. margins of the Paraguayan Plateau s.-ward from 25°S and s. across río Paraná into s. Misiones and n. Corrientes, Argentina.—Fl. IX-III.