Mimosa claussenii var. megistophylla Barneby
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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
242e. Mimosa claussenii Bentham var. megistophylla Barneby, var. nov., habitu singulari eximia, caule valido basin versus ampliter paucifolio deinde in paniculam ramosam pyramidalem aphyllam abeunte, toto metrali usque, inter omnes M. claussenii varietate
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Synonyms
Mimosa claussenii Benth.
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Description
Variety Description - Functionally herbaceous from woody rootstock, the erect stem ±1-1.5 cm diam. at base, bearing exceptionally long lvs at first 3-5 nodes, thence passing into an amply branched pyramidal efoliate (or randomly few-lvd) multicapitulate panicle of pseudoracemes, the central axis to 1 m, the lateral ones ±3-4 dm, the axes of stem, lvs and panicle hispid with spreading-incurved setae to 3-6.5 mm; leaf-formula xvii- xxxii/45-62, the lf-stks 2.5-6 dm, the rachis of longer pinnae 7-14 cm, the longer lfts 7-10 x 1.4-1.8 mm; capitula without filaments 11-16 mm diam., the bisexual corollas 4-6 mm; pod not seen.
Distribution and Ecology - In cerrado near 700-1100 m, known only from n. Chapada dos Veadeiros near Cavalcante, close to 13°50'S in e.-centr. Goiás.—Fl. II—III.
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Discussion
While strangely modified in habit and proportion of subradical foliage to ample efoliate panicle, var. megistophylla has essentially the leaves and flowers of var. prorsiseta.
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Distribution
Brazil South America| Goiás Brazil South America|