Crotalaria harleyi Windler & S.G. Skinner (1982:198)

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 : 38-39

10. Crotalaria harleyi Windler & S.G. Skinner (1982:198) . ( Figs. 2d , 6d )

Type:— BRAZIL. Bahia: 18 km WNW along road from Vila do Rio de Contas to Pico das Almas, 21 March 1977, R.M. Harley 19796 (holotype: K 000187652 digital image!; isotypes: K 000167653 digital image!, NY!) .

Shrub or subshrub 0.4–1 m high; branches lanate; internodal stem wings absent. Leaves 3-foliolate, digitate, petioles 3–10 mm long; leaflets elliptics or ovate, 1–3.7 × 0.6–2.2 cm, lanate on both surfaces; stipules 3–4 mm long, linear. Inflorescence leaf- opposed raceme, 4–13 cm long, 5– to 12-flowered; peduncles 0.5–2 cm long; pedicel 5–9 mm long; bracts 4–5 mm long, linear- lanceolate, persistent; bracteoles 1 mm long, linear, persistent. Flowers with calyx 10–12 mm long, with lobes twice or three times as long as the tube, woolly; corolla yellow, veined reddish brown; the standard petal 1.3–1.6 × 1.2–1.5 cm; wing petals 1.3–1.5 cm long; keel petals 1.2–1.5 cm long, glabrate or ciliate on the upper margin, untwisted; ovary 3–4 mm long, stipitate; style curved. Legumes 1.3–2 × 0.7–0.9 cm, cilyndric- obovate, densely lanate, brown at maturity, ca. 10-seeded; seeds 3 × 3 mm, seed coat orange or brown.

Distribution and Ecology: — Crotalaria harleyi occurs only in Bahia state in Brazil, in the proximities of the Chapada Diamantina region. It is restricted to areas of cerrado and caatinga on sandy soils at elevations between 800–1800 m.

Selected material examined: — BRAZIL. Bahia: Abaíra , 21 January 2002, Flores et al. 780 ( UEC) ; Umburanas , 10°21’S, 41°13’W, 11 April 1999, Queiróz et al. 5363 ( CEN, HUEFS, SP)

Figures

FIGURE 2. Habit of (a) Crotalaria goiasensis Windler & S.G. Skinner (Flores & Rodrigues 998, UEC), (b) Crotalaria goreensis Guill. & Perr. (Flores & Rodrigues 1075, UEC), (c) Crotalaria grandiflora Benth. (Flores et al. 841, UEC), (d) Crotalaria harleyi Windler & S.G. Skinner (Flores et al. 784, UEC). Scale bar: 5 cm.

FIGURE 6. Habit of (a) Crotalaria breviflora DC., (b) Crotalaria flavicoma Benth., (c) Crotalaria grandiflora Benth., (d) Crotalaria harleyi Windler & S.G. Skinner, (e) Crotalaria holosericea Nees & Mart. (f) Crotalaria laeta Mart. ex Benth. Photos by A.S. Flores.