Crotalaria spectabilis Roth (1821:341)

Flores, Andréia Silva & Tozzi, Ana Maria Goulart De Azevedo, 2018, A synopsis of the genus Crotalaria (Leguminosae) in Brazil, Phytotaxa 346 (1), pp. 31-58 : 51

publication ID

https://doi.org/ 10.11646/phytotaxa.346.1.2

persistent identifier

https://treatment.plazi.org/id/03853909-5765-FFFE-0DFB-9D52FA7D2415

treatment provided by

Felipe

scientific name

Crotalaria spectabilis Roth (1821:341)
status

 

32. Crotalaria spectabilis Roth (1821:341) View in CoL .

Type:— INDIA. “India oriental,” undated, B. Heyne (holotype: BM not seen; isotype: L!)

Subshrubs or shrubs 1–1.5m high; branches glabrous or puberulous; internodal stem wings absent. Leaves simple, blades obovate, oblong- elliptic or spatulate, 4.3–16 × 1.5–7.5 cm, glabrous above and puberulous beneath; stipules 4–9 × 3–5, oblong- ovate. Inflorescence a raceme, 17–45 cm long, terminal; peduncles 2–12.5 cm long. Flowers15–31, pedicels 10–17 mm long; bracts 5–12 × 5–10 mm, widely oval, persistent; bracteoles 1–2 × 1 mm, widely oval, deciduous; calyx 8–13 mm long, lobes subequals, longer than the tube, glabrous; corolla yellow; the standard petal 1.5–2.3 × 1.4–2.5 cm; wing petals 1.1–1.8 cm long; keel petals 1.2–1.7 cm long, twisted; ovary 9 mm long, short- stipitate; style geniculate. Legumes 3.5–4.5 × 1.5–2 cm, broadly oblong- clavate, glabrous, black at the maturity, ca. 30-seeded. Seeds 5 × 3 mm, seed coat brown or black.

Distribution and Ecology: — Crotalaria spectabilis is an Asian species that is a naturalized, widespread weed in the New World. In Brazil, the taxon is cultivated as green manure and it can be found in open areas.

Selected specimens studied: — BRAZIL. Minas Gerais: São Gonçalo do Sapucaí, 15 October 2001, Flores et al 672 ( UEC). Paraná: Arapongas , 12 May 1985, Hashimoto s.n. ( FUEL 1025 ). Rio Grande do Sul: Maquiné, Fepagro, 19 April 1997, Rodrigues 365 ( ICN). Santa Catarina: Itapema, 25 August 2001, Flores & Rodrigues 606 ( UEC) ; Orleans , 27 March 1998, Flores 192 ( ICN) ; Praia Grande, estrada para a Serra do Faxinal , 29 March 1998, Flores 198 ( ICN) .

UEC

Universidade Estadual de Campinas

ICN

Instituto de Ciencias Naturales, Museo de Historia Natural

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

Genus

Crotalaria

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

Genus

Crotalaria

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