Chamaecrista rotundifolia ( Persoon 1805: 456 ) Greene (1899:31)
publication ID |
https://doi.org/ 10.11646/phytotaxa.555.1.2 |
DOI |
https://doi.org/10.5281/zenodo.6886099 |
persistent identifier |
https://treatment.plazi.org/id/038E87C1-995A-5F21-04DF-EF67FC9873F8 |
treatment provided by |
Plazi |
scientific name |
Chamaecrista rotundifolia ( Persoon 1805: 456 ) Greene (1899:31) |
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12. Chamaecrista rotundifolia ( Persoon 1805: 456) Greene (1899:31) View in CoL
Herbs, branches pilose, inermous. Nectary absent. Stipules lateral stipules, ovate. Leaves paripinnate, 2–foliolate, leaflets opposite, obovate, venation actinodromous, translucid punctuation absent. Inflorescence cymose, axillary. Flowers pedicellate, asymmetric, diplostemonous; calyx dialysepalous, sepals 5, corolla dialypetalous, yellow, petals 5; androecium dialystaminous, homodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate. Fruit legume, sessile, linear, plane, margin straight, epicarp glabrous, brown. Seeds trapezoid, plane, coat black, hilum basal.
Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre , 800 m elev., 13 May 2019, fl. & fr., Aureliana Gomes 2098 ( HACAM) .
Distribution and ecology:— The species occurs from the western United States of America to Uruguay, has records in the five regions of Brazil in all its phytogeographic domains ( Flora do Brasil 2020), associated with open and anthropogenic environments with invasive plant behavior (Queiroz; Loiola, 2009; Dantas; Silva, 2013, Souto et al. 2019).
Phenology:— Registered with flowers and fruits in May.
Taxonomic discussion:— Chamaecrista rotundifolia can be recognized by the absence of nectary, bifoliolate leaves, asymmetrical pedicel flowers, dialypetalous corolla.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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