Mimosa claussenii var. prorsiseta 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

    Mimosa claussenii var. prorsiseta Barneby

  • Type

    242b. Mimosa claussenii Bentham var. prorsiseta Barneby, var. nov., cum var. claussenii omnino congrua nisi caulium et petiolorum setis prorsus incurvo-incumbentibus (nec reflexis) absimilis.—Brazil. Goiás: cerrado, 1100 m, ±20 km n. of Cristalina, 7.III.

  • Description

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    Variety Description - Essentially like var. claussenii, occurring in similar habitats but in discrete uniform populations, differing in antrorsely incurved-ascending setae of stems and lf-stks, the longer ones 3-5 mm long and 0.4—0.8 mm diam. at bulbous base.

    Distribution and Ecology - Scattered within the range of var. claussenii but more local, especially frequent on and near Sas. dos Pireneus and dos Cristais in s. Goiás, occasional in Distrito Federal and in w.-centr. Minas Gerais.—Fl. XII-V. Map 34.

  • Discussion

    By definition var. prorsiseta is weakly defined, but is easily recognized and apparently stabilized in extensive populations. Its status requires further field-study.

  • Distribution

    Brazil South America| Goiás Brazil South America| Minas Gerais Brazil South America|