Styrax tibeticus J. Anthony, Notes Roy. Bot. Gard. Edinburgh. 15: 245. 1927.

Trees or shrubs, 6--25 m tall. Trunk to 25 cm d.b.h. Branchlets dark brown. Petiole 5--10 mm; leaf blade lanceolate to elliptic-lanceolate, rarely ovate-lanceolate, 6--11 X 2.5--4 cm, papery, base broadly cuneate, margin entire or slightly serrate, apex acuminate to acute, secondary veins 5--9 pairs, tertiary veins reticulate and distinct on both surfaces when dry. Inflorescences terminal, subcorymbose, 8--12-flowered, 4--8 cm. Pedicel slender, 3--5 mm. Calyx tube ca. 2 mm, teeth ovate-deltoid. Petals linear-oblong, 6--7 X 1--1.5 mm, apex obtuse. Stamens as long as petals; filaments 4--5 mm, glabrous; anthers ca. 2 mm, connective appendage 3-dentate. Styles 3--5, connate to middle. Fruit ovoid, ca. 3 mm. Seeds brown, ca. 1 mm, reticulately striate. Fl. Mar-May, fr. Aug-Sep.

Note from Peter Fritsch (3 June 2010): Huodendron tibeticum (J. Anthony) Rehder var. denticulatum C.Y. Wu, Fl. Yunnan. 3:416. 1983. Type.— China. Yunnan: Wenshan, Laojunshan, 1900 m, 19 May 1962, K.M. Feng 22574 (holotype: KUN!). It does not merit recognition, in my view.

Dense forests; 1000--3000 m. NE Guangxi, Guizhou, W Hunan, SE Xizang, Yunnan [Vietnam].