Mimosa dolens subsp. rigida var. rigida
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Authors
Rupert C. Barneby
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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.
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Family
Mimosaceae
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Scientific Name
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Type
352/IIa. Mimosa dolens Vellozo subsp. rigida (Bentham) Barneby var. rigida M. rigida Bentham, 1841, l.c., sens. str. — "Brazil, Sello, Martius n. 1090 [corrected in Fl. bras. 15(2): 330. 1876 to Mart. hb. 1088] under the name of M. calocephala Mart. var.
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Synonyms
Mimosa rigida Benth., Mimosa calocephala var. major
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Description
Variety Description - Stems stout virgate, attaining 8-14(-20) dm, coarsely macrophyllidious, the lvs subglaucescent, the efoliate pseudoraceme of ±5-12 capitula 1-4 dm; stipules 6-9 x 2-2.5 mm, 3-5- nerved; leaf-stalks 2.5-5 cm, at middle 1-2 mm diam.; pinna-rachises attaining 6-17 cm, the longer interfoliolar segments 9-15 mm; lfts 6—13- jug., the larger ones ±2.5-3.5 x 1-1.4 cm; peduncles 1.5-4 cm; capitula without filaments 11-15 mm diam., ±3 cm diam. in fruit; blade of floral bracts either glabrous or setose dorsally, always ciliate; calyx-tube 0.6-0.9 mm, the rim ciliate with pallid setae 1.2-2.2 mm; corolla ±5.5 mm.
Distribution and Ecology - In unrecorded habitats, to be expected in cerrado or campo sujo, known exactly only from vicinity of Caldas in far s. Minas Gerais, to be expected elsewhere in southern mountainous parts of the state and possibly in adj. S. Paulo or Rio de Janeiro.—Fl. XII-?
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Discussion
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Distribution
Brazil South America| Rio de Janeiro Brazil South America| São Paulo Brazil South America|