细子龙 xi zi long

Paranephelium chinense Merrill, Lingnan Sci. J. 14: 30. 1935; Amesiodendron integrifoliolatum H. S. Lo; A. tienlinense H. S. Lo.

Trees, 5-25 m tall. Bark dark gray, nearly smooth; branches dark reddish brown, strong, stout, shallowly furrowed, pubescent. Leaves with petiole 15-30 cm, axis pubescent or subglabrous; leaflets (3 or)4-6(or 7)-jugate; petiolules 4-8 mm; blades brown when dry, thinly leathery, first pair (near base) ovate, others oblong or oblong-lanceolate, sometimes lanceolate, bilaterally slightly asymmetrical, 6-12 × 1.5-3 cm or
slightly larger, abaxially sometimes pilosulose, lateral veins 10-12 pairs, slender, base broadly cuneate, margin rugose wavy, hardly to sharply serrate, apex shortly acuminate or sometimes cuspidate. Inflorescences often several fascicled at branch apex, occasionally solitary and axillary, densely tomentose. Flowers unisexual. Pedicels 2-3 mm. Sepals ca. 1 mm. Petals white, ovate, ca. 2 mm; scale entire, apex reflexed, abaxial surface and margin densely rugose long hairy. Stamens 8 or sometimes 9; filaments 3-4 mm, densely villous; anthers pilose. Ovary and style tomentose. Schizocarps black or brown, subglobose, 2-2.5 cm in diam., slightly to coarsely tuberculous and with dense, pale brown small lenticels. Seeds ca. 2 cm wide. Fl. May, fr. Oct-Sep.

Rain forests; 300-1000 m. Guangxi, Hainan [Indonesia (Sumatra), Laos, Malaysia, Myanmar, Thailand, Vietnam].