Senna obtusifolia ( Linnaeus 1753: 377 ) Irwin & Barneby (1982: 252)

Rauber, Cristiane Ritter, Lima, Laura Cristina Pires, Caxambu, Marcelo Galeazzi & Temponi, Lívia Godinho, 2021, Synopsis of Leguminosae from Iguaçu National Park, Paraná, Brazil, Phytotaxa 501 (2), pp. 245-280 : 272

publication ID

https://doi.org/ 10.11646/phytotaxa.501.2.2

persistent identifier

https://treatment.plazi.org/id/03DB87E7-FF9D-FFD8-92CA-EB7E12A4F90A

treatment provided by

Marcus

scientific name

Senna obtusifolia ( Linnaeus 1753: 377 ) Irwin & Barneby (1982: 252)
status

 

64. Senna obtusifolia ( Linnaeus 1753: 377) Irwin & Barneby (1982: 252) View in CoL . ( Fig. 8G and H View FIGURE 8 )

Distribution: Probably native to the Americas, with occurrence in Asia and Africa, in the Americas with distribution from the United States to Argentina ( Irwin & Barneby 1982). In Brazil it occurs in states of all regions, ( Flora do Brasil 2020). In ParNa Iguaçu it occurs in the Foz do Iguaçu and Céu Azul areas.

Reproductive period: In ParNa Iguaçu it was found in flower and fruit in January and February.

Diagnostic characteristics: Species with pinnate leaves commonly confused with S. occidentalis for being plants with a subshrubby habit and invasive along fields and the edges of forests, however, it can be differentiated by the 2–3 pairs of obovate leaflets with rounded apex in S. obtusifolia vs. 4–6 pairs of elliptical leaflets with acuminate apex in S. occidentalis .

Conservation: Native-NE.

Selected examined material: BRAZIL. Paraná: Area 1, Céu Azul, 30 January 2019, (fl., fr.), C.R. Rauber et al. 321 ( EVB, UNOP); Area 3, Foz do Iguaçu , 08 February 2018, (fl., fr.), M.G. Caxambu 8052 ( ALCB, FURB, HCF) .

ALCB

Universidade Federal da Bahia, Campus Universitário de Ondina

FURB

Universidade Regional de Blumenau

HCF

Universidade Tecnológica Federal do Paraná

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

Genus

Senna

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