Description from Flora of China
Persea sichourensis (H. W. Li) Kostermans.
Trees, ca. 7 m tall. Branchlets blackish brown, subterete, glabrous. Terminal buds small, ca. 3 mm; bud scales ovate-orbicular to broadly ovate-orbicular, brownish pubescent outside. Petiole 5-15(-20) mm, glabrous; leaf blade oblong to obovate-oblong, 7-16(-21.5) × 2.3-5(-6.8) cm, leathery, abaxially densely yellowish brown puberulent and adaxially subglabrous when young, abaxially ± sericeous-puberulent or glabrate and adaxially glabrous when old, midrib elevated abaxially, concave adaxially, lateral veins 9-13 pairs, conspicuous on both surfaces, veinlets inconspicuous abaxially, ± foveolate adaxially, base cuneate or broadly so, apex long acuminate. Flowers unknown. Infructescences to 12.5 cm, arising from base of 1-year-old branchlet, yellowish brown puberulent; peduncle 7-8 cm, compressed. Fruit globose, less than 1 cm in diam., glabrous; persistent perianth lobes oblong, 3-4 × 2-3 mm, outer ones smaller, densely yellowish brown puberulent, reflexed; fruiting pedicel ca. 1.5 mm thick. Fr. May.
● Evergreen broad-leaved forests. SE Yunnan.