Crotalaria flavicoma Bentham (1839:429)

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 : 36

6. Crotalaria flavicoma Bentham (1839:429) . ( Figs. 1d , 6b )

Type: — BRAZIL. Goiás: Serra da Chrystais (in shcéd.), s.d., J.B.E. Pohl 799 (holotype: K000500576 digital image!; isotype: W57052 digital image!) .

Subshrubs 0.3–1m high; branches densely pilose; internodal stem wings absent. Leaves simple, blades oblong to elliptic, 2.4–5 × 1.2–2.7 cm, pilose above and beneath; stipules absent. Inflorescence a raceme, 4–13 cm long, terminal; peduncles 1–2 cm long. Flowers 6–12; pedicels 8–15 mm long; bracts 7–13 × 3–7 mm, ovate- lanceolate to foliaceous, persistent; bracteoles 5–9 × 3–5 mm, oval- lanceolate or foliaceous, persistent; calyx 19–23 mm long, deeply divided into 2 lips, pilose; corolla yellow; the standard petal 1.5 × 1.2–1.3 cm; wing petals 1.4–1.6 cm long; keel petals 1.5–1.6 cm long, twisted., ovary 5–7 mm long, sessile; style geniculate.Legumes 3.5–4 × 1–1.7 cm, oblong- clavate, glabrous, black at maturity, ca. 30-seeded; seeds 3–4 × 3–4 mm, the seed coat brown.

Distribution and Ecology: — Crotalaria flavicoma is common in Central and Southeastern Brazil, occurring in the states of Goiás, Minas Gerais and the Federal District, where it occurs in rocky and sandy soils, mainly in campo rupestre vegetation and grasslands.

Selected specimens examined: — BRAZIL. Federal District: Brasília, área de cerrado junto a UNB, 8 February 2002, Flores et al. 842 (UEC). Goiás: Catalão, 18°00’ 750”S, 47°48’660”W, 6 February 2002, Flores et al. 822 (UEC). Minas Gerais: Cantoni, 3 km W of Cantoni, 9 March 1970 Irwin et al. 27230 (F, UB).

Figures

FIGURE 1. Habit of (a) Crotalaria brachycarpa Benth. (Ule 7200, HBG), (b) Crotalaria bahiaensis Windler & S.G. Skinner (Harley et al. 19156, SPF), (c) Crotalaria claussenii Benth. (Freitas & Gajardo 524, UEC), (d) Crotalaria flavicoma Benth. (Flores et al. 815, 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.