Volume 7 > Part 1 > Year 1999 > Page 82 > Apocynaceae > Wrightia

2. Wrightia coccinea (Roxb.) Simswfo-0000334518

Bot. Mag. 53: t. 2696. 1826; Hook.f., Fl. Br. Ind. 3: 654. 1882; Tsiang & P.T.Li, Fl. Reip. Pop. Sin, 63: 120. 1977; Lý, Fedd. Rep. 97: 622. 1986; Li et al., Fl. China 16: 174. 1995.— Nerium coccineum Roxb., Fl. Ind. ed 2, 2: 2. 1824.

Accepted Name : This is currently accepted.

Description : Tree to 7 m. Branchlets tomentose, becoming glabrous and lenticellate. Leaves: petiole 5–8 mm long; blade papery, elliptic to obovate, 7.3–17.8 x 4.3–8.3 cm, apex acuminate, base cuneate; secondary veins 14–18 pairs; tomentose abaxially, punctate adaxially. Inflorescence 3–3.5 cm long; tomentose. Sepals ovate, 2.7 x 3.5 mm, apex rounded; tomentose; no colleters seen. Corolla orange-red; somewhat infundibuliform to subrotate; tube ca 2.2 mm long; lobes ca 10 mm long, broadly elliptic, apex rounded; pubescent-papillose on lobes inside and outside and, sometimes, on top of corolla tube outside, glabrous in tube. Corona of antepetalous lobes only, very broad and connate at base; adnate to tube for about third of length; pubescent on back; crenate or flat-topped; 2.5–2.9 mm long. Stamens inserted at corolla mouth; filaments 1.3 mm long; anthers 7.3–7.4 x 1.5 mm, pubescent on both surfaces. Ovary 1.5 mm long, glabrous, carpels free; style + pistil head 6.1 mm long. Fruit ca 30 cm long. Seeds ca 2 cm long; coma 3.5–4 cm long.

Thailand : NORTHERN: Tak.

Distribution : China, India, Pakistan (type).

Ecology : In mixed deciduous forests on limestone, at 500–700 m alt.

Notes: Fruit characters taken from Ngan (1965).