Crotalaria lanceolata E. Meyer (1836:24)

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 : 42

17. Crotalaria lanceolata E. Meyer (1836:24) .

Type: — SOUTH AFRICA. Natal : “in Graminosis humidis inter fluvios Omsamculo et Omcomas, alt. 400 ft,” undated, Drége s.n. (holotype: K 000227334 digital image!; isotype: P 00367955 digital image!)

Shrub or subshrub 1–1.5 m high; branches puberulous; internodal stem wings absent. Leaves 3-foliolate, digitate, petioles 2–5 cm long; leaflets linear- elliptic to lanceolate, 4.5–9 × 0.4–1.2 cm, pubescent above and glabrous beneath; stipules absent. Inflorescence a raceme, 7–33 cm long, terminal; peduncles 2–7 cm long. Flowers 20–25, pedicels 5 mm long; bracts 1 mm long, lanceolate, persistent; bracteoles subulate, inconspicous, persistent; calyx 3–4 mm long, lobes shorter than or of same length of the tube, puberulous; corolla yellow, veined reddish brown; the standard petal 0.8–1 × 0.7–0.8 cm; wing petals 0.9–1 cm long; keel petals 0.8 cm long, untwisted; ovary 6 mm long, stipitate; style curved. Legumes 2.8–3.4 × 0.4–0.8 cm, narrowly cylindrical, curved at the apex, puberulous, brown or black at maturity, ca. 30-seeded; seeds 2 × 2 mm, seed coat orange or red.

Distribution and Ecology: — Crotalaria lanceolata is an African species occurring in disturbed areas or cultivated throughout Brazil.

Selected material examined: — BRAZIL. Acre: Rio Branco, 21 October 2000, Bosco et al. s.n. (INPA 208184). Bahia: Estrada Ilhéus/Uruçuca, 12 March 1977, Shepherd et al. 4523 (UEC). Goiás: Catalão, 18º 14’ 109”S, 47º 59’ 300”W, 06 February 2002, Flores et al. 819 (UEC). Mato Grosso: Reserva do Cabaçal, 06 March 1996, Macedo & Godinho 4259 ( CH). Mato Grosso do Sul: Selvíria, 07 September 1992, Leitão Filho et al. 27142 (UEC). Minas Gerais:Arapuá, 19º03’S 46º09’W, 03 April 1996, Feres 10 (UEC). Paraná: Amaporã, 8 April 1987, Goetzke s.n. (MBM 129560). Rio Grande do Sul: Capão da Canoa, 23 March 1996, Rodrigues 119 (ICN). Santa Catarina: Camboriú, 25 January 1999, Flores 323 (ICN). São Paulo: Campinas, 23 May 2001, Flores 600 (UEC).