枇杷叶润楠 pi pa ye run nan

Persea bonii (Lecomte) Kostermans.

Trees, to 20 m tall. Branchlets somewhat angular, ± compressed when young, glabrous. Petiole 1-1.5 cm, glabrous; leaf blade obovate or oblanceolate, rarely narrowly obovate, 13-24 × 5.5-8(-10) cm, subleathery, ± densely yellowish brown pubescent abaxially, glabrous adaxially, midrib elevated abaxially, concave adaxially, lateral veins 14-16 pairs or more, abaxially raised, adaxially subflat, veinlets slightly densely reticulate, base cuneate, apex shortly acuminate. Inflorescences subterminal, 4-10 cm, ± yellowish brown pubescent; peduncle 2.5-4 cm; bracts sublanceolate, 7-10 × 3-4 mm, densely yellowish brown pubescent outside, glabrous inside. Perianth lobes unequal, hairy on both surfaces, outer ones smaller, ca. 5 × 1.5 mm, inner ones ca. 7 × 3 mm. Stamens hairy at base; glands of 3rd series shortly stipitate. Staminodes triangular-sagittate. Ovary glabrous. Fruit suboblong, ca. 2.8 × 1 cm. Fl. Apr, fr. Oct.

Limestone hills or acidic soil in sparse mountain forests; 800-1200 m. NW and SW Guangxi, SW Guizhou, SE Yunnan [Vietnam].