Description from Flora of China
Pittosporum yunnanense Franchet, Bull. Soc. Bot. France 33: 415. 1886; Osmanthus bambusifolius H. T. Chang; O. brevipetiolatus H. T. Chang; O. forrestii Rehder; O. forrestii var. brevipedicellatus Handel-Mazzetti; O. liangshanensis H. T. Chang; O. polyneurus H. T. Chang; O. rehderianus Handel-Mazzetti; O. rehderianus var. tenianus Handel-Mazzetti.
Trees or shrubs 3-6(-10) m. Branchlets smooth, puberulent at first. Petiole 6-10(-15) mm, glabrous or rarely hairy; leaf blade ovate-lanceolate or elliptic, 8-14 × 2.5-4 cm, leathery, base broadly cuneate or subrounded, margin entire or with 20-25 pairs of sharp teeth 2-3 mm, apex acuminate; midrib raised on both surfaces; primary veins 10-12 on each side of midrib, abaxially raised. Cymes fascicled in leaf axils, 5-12-flowered; bracts 2-4 mm, glabrous, margin ciliate. Pedicel ca. 1 cm, glabrous. Calyx ca. 1 mm; lobes apically erose or entire. Corolla yellow-white, ca. 5 mm, almost parted to base; lobes elliptic or broadly ovate. Stamens attached to base of corolla lobes; connective apically projecting into a minute appendage. Drupe purple-black, long ovoid, 1-1.5 cm. Fl. Apr-May, fr. Jul-Aug.
* Dense woods, mixed forests on slopes, ravines; 1400-2800 m. Sichuan, Xizang, Yunnan