Mimosa oblonga var. pinetorum Barneby
-
Authors
Rupert C. Barneby
-
Authority
Barneby, Rupert C. 1991. Sensitivae Censitae. A description of the genus Mimosa Linnaeus (Mimosaceae) in the New World. Mem. New York Bot. Gard. 65: 1-835.
-
Family
Mimosaceae
-
Scientific Name
-
Type
359b. Mimosa oblonga Bentham var. pinetorum Barneby, var. nov., a var. oblonga imprimis setis caulinis brevioribus (0.5-1, nec 1.5-3 mm longis) dense scaberulis, stipulis parvis (1-3.5, nec 3-7 mm longis), capitulis absque filamentis parvulis (3-3.5, nec
-
Description
Variety Description - Different from var. oblonga in short scabrous setae of stems, these unarmed or only randomly armed with weak aculei to ± 1 mm; stipules 1-3.5mm; leaf-stalks obsolete or to 3.5 mm; rachis of longer pinnae 8-35 mm; larger lfts 1.5-4.5 x 0.4-1.5 mm, 3-4 times as long as wide; peduncles 7-15 mm; capitula without filaments 4-7 x 3-3.5 mm; bracts 0.5-0.8 mm; corolla 1.3-1.5 mm, both tube and lobes thinly retrostrigulose.
Distribution and Ecology - In wet campo near 900(-?) m, known only from the w. slope of Sa. do Mar s. and s.-w. of Curitiba (Pinhaes; mun. Mandirituba; Piraquara) in e. Paraná.—Fl. XII-III.
-
Discussion
The var. pinetorum is notable in the species for weak armature, short, densely scaberulous cauline setae, and tiny moriform capitula. It appears to replace var. oblonga locally, and form an enclave within the whole range of the species.
-
Distribution
Brazil South America| Paraná Brazil South America|