黄莲山油丹 huang lian shan you dan

Trees evergreen, up to 10 m tall. Branchlets grayish, glabrous, lenticellate; lenticels oblong, 0.7-1.3 × 0.5-0.7 mm. Leaves alternate, 2-5 mm apart, clustered near apex of branchlet in groups 10.5-14 cm apart; petiole reddish, 0.5-0.9 cm, slightly dilated at base, glabrous; leaf blade grayish abaxially, dark green adaxially, oblong or oblanceolate-oblong, 5-13 × (0.8-)1.2-2.8 cm, papery, glabrous, hardly foveolate on both surfaces, midrib conspicuously elevated abaxially, slightly elevated adaxially, lateral veins 7 or 8 pairs, arcuately ascending, hardly anastomosing near margin, slightly elevated, base cuneate, apex acute or acuminate. Flowers unknown. Infructescences inserted in leaf axils near apex of branchlet, 4.2-5 cm, glabrous; peduncle ca. 2.5 cm, densely grayish verrucose. Pedicel 5-7 mm, densely grayish linear verrucose, apex conspicuously dilated. Fruit purple when mature, ovoid, ca. 2 × 1.2-1.4 cm; exocarp thin. Fr. Nov.

● Evergreen secondary forests on slopes with montane red earth mainly from rock detritus; 800-1300 m. S Yunnan (Lüchun).