薄萼海桐 bo e hai tong

Shrubs or small trees, 3–4 m tall. Young branchlets dark brown, glabrous; old branchlets sparsely lenticellate. Leaves clustered at branchlet apex, biennial; petiole slender, 6–10 mm, glabrous; leaf blade pale green abaxially, dark green and shiny adaxially, dark green after drying, oblong or lanceolate, 5–8 × 1.5–2.5 cm, thinly leathery, glabrous abaxially, lateral veins 5–7-paired, visible abaxially, indistinct adaxially, reticulate veins prominent abaxially, concave adaxially, base cuneate, margin slightly rugose, apex acuminate. Inflorescences in leaf axils at branchlet apex, umbel-like, numerous flowered; bracts deciduous; pedicels slender, ca. 1 cm, glabrous. Sepals free, linear-lanceolate, ca. 3 mm, glabrous. Petals free, pale yellow-white, narrowly lanceolate, 7–8 mm. Stamens 5–6 mm; filament slender; anther basifixed, ca. 1.5 mm. Pistil equaling stamens; ovary pubescent; placentas 2, parietal; ovules 11 or 12; stipe short; style ca. 2.5 mm. Capsule globose, 6–8 mm in diam., dehiscing by 2 valves; pericarp thin, horizontally striate adaxially; placentas in proximal part of valves. Seeds ca. 10, ca. 3 mm; funicle very short. Fl. Mar–May, fr. Jun–Nov.

Forests in mountains. N Guangdong, NE Guangxi (Lingui Xian, Quanzhou Xian).