Hoya longifolia Wall. ex Wight

Shrub, climbing over trees and rocks by means of adventitious roots. Leaves 5-10 x 1.2-2.6 cm, narrowly lanceolate, nerves obscure, petiole 8-13 mm long. Flowers in axillary umbellate cymes. Peduncle 1.2-5 cm long, glabrous. Pedicel 1.2-2.6 cm long. Bracts minute. Calyx lobes 1-1.5 mm long, ovate, alternating with solitary glands. Corolla waxy white tinged with pink, 4-9 mm across. Follicles 7-30 cm long, slender, thin, smooth. Seeds 1-1.5 mm long, ovoid, tuberculate, coma 1.2-1.3 cm long, some hairs extend down the narrow edges of the seed, fewer at the base.

Shrubs epiphytic, glabrous except for pedicels and corolla. Stems stout, climbing to 3 m; branches pendulous. Petiole 1-2.5 cm, stout; leaf blade linear to narrowly oblanceolate or oblong, 8-20(-25) × (0.4-)2-3 cm, base narrowly acute or rounded, apex acuminate or acute; lateral veins obscure. Pseudumbels extra-axillary, globose, many flower-ed; peduncle 1.5-5 cm. Pedicel 1.5-3 cm, pubescent. Sepals 1-1.5 mm, apex acute. Corolla white tinged with pink, 2-4 cm in diam.; lobes ovate-triangular, stellate spreading, pubescent. Corona lobes broadly ovate, flat, with a central boss, convex basally, inner angle acute and shorter than anther apices. Follicles straight, 10-30 cm × 5-8 mm. Seeds ovoid, 1-1.5 mm; coma 1.2-1.5 cm. Fl. Jul-Aug. 2n = 22.

Himalaya (Kumaun to Bhutan), Assam, Thailand.

Distribution: Kashmir, eastwards to Sikkim, Khasia mountains.

Yunnan [Bhutan, India, Kashmir, Nepal, Pakistan, Sikkim, Thailand].

1400-2300 m

Fl. Per.: July-August.

Dense forests; 1400-2400 m.