Shrubs to 2 m tall. Old branchlets gray-brown, slender; young branchlets puberulous. Leaves clustered at branchlet apex, biennial; petiole 1–5 mm; leaf blade shiny adaxially, narrowly oblong, 2–3.5 × ca. 1 cm, leathery, glabrous abaxially, lateral veins 4–8-paired, convex abaxially, concave adaxially, base cuneate, margin reflexed, slightly sinuolate, apex obtuse. Inflorescences terminal, solitary flowers or umbellate; bracts lanceolate, 1–2 mm, membranous, deciduous; pedicels 3–8 mm, puberulous; flowers fragrant. Sepals free, ovate, ca. 2 mm, margin ciliate, apex obtuse. Petals connate proximally, together a tubular or campanulate, free and flat distally, yellow, 7–8 mm. Stamens 5–6 mm; anther rhombic. Pistil shorter than stamens; ovary glabrous or puberulous; placentas 2, parietal; style slightly stout. Capsule compressed globose, 6–8 mm in diam., verrucate, dehiscing by 2 valves; style persistent. Seeds ca. 4. Fl. Mar–May, fr. Jun–Oct.
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