Mimosa arenosa Poiret 1810
| Autor: | Gomes, Aureliana Santos, Rodrigues, Erimágna De Morais, Moura, Débora Coelho, Melo, José Iranildo Miranda De, Ribeiro, Rayane De Tasso Moreira, Queiroz, Rubens Teixeira De |
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| Rok vydání: | 2022 |
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| DOI: | 10.5281/zenodo.6886119 |
| Popis: | 20. Mimosa arenosa (Willdenow 1806: 1054) Poiret (1810: 66) Trees, branches tomentose, aculeate. Nectary absent. Stipules lateral, acicular. Leaves bipinnate, paripinnate, 14– 18–foliolate, leaflets opposite, oblong, venation actinodromous, translucid punctuation absent. Inflorescence spike, axillary. Flowers sessile, actinomorphic, diplostemonous; calyx gamosepalous, sepals 4, corolla gamopetalous, tubular, whitish, petals 4; androecium dialystaminous, homodinamous, anthers longitudinal; ovary superior, stipitate, pluriovulate. Fruit craspedium, stipitate, linear, plane, margin straight, epicarp glabrous, brown. Seeds not observed. Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre, 800 m elev., 13 May 2019, fl., Aureliana Gomes 3012 (HACAM). Distribution and ecology:— The species is distributed in Colombia, Venezuela, Mexico and Brazil, where it is distributed from Ceará to Minas Gerais, exclusively associated with the Caatinga domain (Dourado, 2013; Flora do Brasil 2020). Souza et al. (2021), found this species in Sertão region at Paraíba state. Phenology:— Registered with flowers in May. Taxonomic discussion:— Mimosa arenosa can be recognized, mainly, by the arboreous habit, tomentose aculateate branches, inflorescence in spike and by the flat craspedium fruits. Spiciform inflorescence is a feature shares with the other Mimosa species recorded in the study area, with Mimosa arenosa and M. tenuiflora their white flowers vs. pink flowers on Mimosa invisa and M. verrucosa. Mimosa arenosa presents twisted aculeous and flat straight craspedium vs. straighted aculeous and flat corrugate craspedium in M. tenuiflora. Published as part of Gomes, Aureliana Santos, Rodrigues, Erimágna De Morais, Moura, Débora Coelho, Melo, José Iranildo Miranda De, Ribeiro, Rayane De Tasso Moreira & Queiroz, Rubens Teixeira De, 2022, Fabaceae Lindl. in a Conservation Unit in the Semi-Arid Region of Paraíba, Brazil, pp. 17-41 in Phytotaxa 555 (1) on pages 30-31, DOI: 10.11646/phytotaxa.555.1.2, http://zenodo.org/record/6875635 {"references":["Willdenow, C. L. von (1806) Acacia arenosa Willd. Species Plantarum. Editio quarta 4 (2): 1054 [1060].","Dourado, D. A. O., Conceicao, A. S. & Santos-Silva, J. (2013) The genus Mimosa L. (Leguminosae: Mimosoideae) in the Serra Branca APA / Raso da Catarina, Bahia, Brazil. Biota Neotropica 13: 225 - 240. https: // doi. org / 10.1590 / S 1676 - 06032013000400020","Flora do Brasil 2020 (2020) Fabaceae. Jardim Botanico do Rio de Janeiro. [http: // reflora. jbrj. gov. br / reflora / floradobrasil / FB 115]"]} |
| Databáze: | OpenAIRE |
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