Mimosa setosa subsp. paludosa var. metadenotricha
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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
221/Ib. Mimosa setosa Bentham subsp. paludosa (Bentham) var. metadenotricha Barneby, var. nov., a var. paludosa, caeteris simillima, caulibus rectis subsimplicibus aculeis raris inconspicue munitis necnon foliis confertius microphyllidiis, pinnis inter se
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Description
Subspecies Description - Characters as given in key to subspecies and varieties.
Distribution and Ecology - In cerrado, sometimes on limestone, ±1000 m, localized on the Contagem-Sobradinho divide in Distrito Federal, Brazil.—Fl. IV-VI.
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Discussion
This visually striking but technically weak variety bears a strong likeness in habit and foliage to M. adenotricha, but differs in sparse armament of subrecurved (not acroscopic) aculei and in the nature of the pod, which breaks at maturity into free-falling articles. It seems to differ from var. paludosa not only in xeric habitat and life-form, but by flowering in the dry season (April-June).
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Distribution
Brazil South America| Distrito Federal Brazil South America|