Shrubs, 2–4 m tall; older branches grayish brown; bark exfoliating into thin and small irregular flakes; young shoots green, glabrescent. Petiole cylindric, with adaxial surface flattened, 10–15 mm, pubescent; leaf blade thinly leathery, oblong-elliptic to narrowly obovate, 5–8 × 1.5–2.5 cm; base cuneate; apex obtuse, apiculate; abaxial surface floccose, glabrescent; adaxial surface green, pubescent, especially along midrib; midrib prominent, raised abaxially; lateral veins 13–15-paired, obscure. Inflorescence 3–6-flowered; rachis conical, 2–5 mm. Pedicel 2–3 cm, glandular; calyx cupular; lobes 5, ca. 2 mm; outer surface glandular; corolla campanulate, crimson to scarlet or bicolored, creamy-white and cherry-red, 3–3.5 cm, base with darker nectar pouches; lobes 5, rounded, ca. 1.2 × 2 cm, emarginate; stamens 10, unequal, 2–3 cm, filaments slender, glabrous; ovary conoid, ca. 5 mm, densely glandular-hairy; style stout, glandular to tip; stigma lobulate. Capsule 20–25 mm, glandular, base enclosed by swollen and persistent calyx. Fl. Jun.
Home