Crotalaria longirostrata Hooker & Arnott (1838:285)

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 : 42-43

18. Crotalaria longirostrata Hooker & Arnott (1838:285) . ( Fig. 3d ).

Type: — MEXICO. Talisco [Jalisco], Lay & Collie (holotype: K 000295690 digital image!)

Shrub 2m high; branches glabrous or glabrescent; internodal stem wings absent. Leaves 3-foliolate, digitate, petioles 1.5–3.4 cm long; leaflets obovate or oblanceolate, 2–2.7 × 0.9–1.6 cm, puberulous or glabrous on both surfaces; stipules 1–2 mm long, subulate. Inflorescence a raceme, 13–17 cm long, terminal or opposite to a leaf; peduncle 3.5–6 cm long. Flowers 7–20, pedicels 4–5 mm long; bracts 1–2 mm long, linear, persistent; bracteoles 1–2 mm long, linear, persistent; calyx 4–6 mm long, lobes 1.5 times longer than the tube, puberulous; corolla yellow; the standard petal 1.2–1.4 × 1.2–1.3 cm; wing petals 1.4–1.5 cm long; keel petals 1.5–1.6 cm long, twisted; ovary 4 mm long, subsessile; style geniculate. Legumes and seeds not seen.

Distribution and Ecology: — Crotalaria longirostrata is native to Mexico and Central America. In Brazil this species is only found cultivated, in Minas Gerais.

Specimens studied: — BRAZIL. Minas Gerais: Raul Soares, 3 August 1992, Carvalho 34 (VIC, UEC). COSTA RICA. Turrialba: USDA Rubber Station, 26 November 1946, Barrus 340 (IAN).

Figures

FIGURE 3. Habit of (a) Crotalaria holosericea Nees & Mart. (Flores et al. 757, UEC), (b) Crotalaria irwinii Windler & S.G. Skinner (Irwin et al. 21657, UB), (c) Crotalaria laeta Mart. ex Benth. (Flores et al. 793, UEC), (d) Crotalaria longirostrata Hooker & Arn. (Carvalho 34, VIC). Scale bar: 5 cm.