Stylosanthes viscosa (Linnaeus 1759: 20–21) Swartz (1788: 108)

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, Phytotaxa 555 (1), pp. 17-41 : 36

publication ID

https://doi.org/ 10.11646/phytotaxa.555.1.2

DOI

https://doi.org/10.5281/zenodo.6886159

persistent identifier

https://treatment.plazi.org/id/038E87C1-9942-5F39-04DF-EA7BFDE37764

treatment provided by

Plazi

scientific name

Stylosanthes viscosa (Linnaeus 1759: 20–21) Swartz (1788: 108)
status

 

36. Stylosanthes viscosa (Linnaeus 1759: 20–21) Swartz (1788: 108) View in CoL . ( Fig. 3k View FIGURE 3 )

Subshrubs, branches glandular, inermous. Nectary absent. Stipules lateral, triangular. Leaves imparipinnate, 3– foliolate, leaflets opposite, elliptic, venation camptodromous, translucid punctuation absent. Inflorescence spike, axillary, terminal. Flowers sessile, zygomorphic, diplostemonous; calyx gamosepalous, sepals 5, corolla dialypetalous, papilionaceous, yellow, petals 5; androecium monadelphous, heterodinamous, anthers longitudinal; ovary superior, sessile, pauciovulate. Fruit loment, sessile, ovate, plane, margin straight, epicarp glabrous, brown. Seeds reniform, plane, coat brown, hilum sub-basal.

Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre , 800 m elev., 05 October 2018, fl., Aureliana Gomes 3017 ( HACAM) .

Distribution and ecology:— It has a wide distribution in the American continent (Ramalho; Rosa, 2010). In Brazil, this species presents itself in a greater proportion in the Northeast region, followed by the North, CentralWest, Southeast and South regions of the country, associated with the domains of the Amazon, Caatinga, Cerrado and Atlantic Forest (BFG 2018, Mendonça et al. 2019).

Phenology:— Registered with flowers in October.

Taxonomic discussion:— Stylosanthes viscosa can be recognized, mainly, by the subshrubby habit, by the lateral stipules and 3–foliolate leaves, inflorescence in spike, yellow corolla flowers and loment fruits. Regarding the species of Papilionoideae, it shares, among other species of the group, the presence of glutinous branches, stipule adnate to the petiole and 3–foliolate leaves. However, it is distinguished from other species with 3–foliolate leaves due to the presence of a stipule adnate to the petiole.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

Genus

Stylosanthes

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