74. Machilus rufipes H. W. Li, Acta Phytotax. Sin. 17(2): 55. 1979.
红梗润楠 hong geng run nan
Persea rufipes (H. W. Li) Kostermans.
Trees, 10-25(-30) m tall; trunk to 40 cm d.b.h. Bark brownish. Branchlets gray-brown, thick, glabrous. Buds small, globose, ca. 7 mm wide; bud scales broadly ovate or suborbicular, apex slightly emarginate, densely yellowish brown pubescent outside, margin long ciliate. Petiole 5-15 mm, glabrous; leaf blade abaxially pale green or glaucous, oblong, 8.5-20 × 1.5-4 cm, subleathery, abaxially densely golden yellow villous and adaxially glabrous when young, glabrous on both surfaces when old, midrib elevated abaxially, concave adaxially, lateral veins (15 or)16-22 pairs, slightly conspicuous on both surfaces, veinlets inconspicuous, base cuneate, apex shortly or nearly long acuminate. Panicles 3.5-10 cm, composed from 1-3-flowered cymes; peduncle 1.5-3.3 cm, glabrous or glabrate. Pedicel to 6 mm. Flowers large, to 9 mm. Perianth lobes oblong, densely yellow-brown pubescent, outer ones smaller, 6-6.5 × ca. 2.5 mm, inner ones larger, ca. 7 × 3 mm. Stamens hairy, 5-5.2 mm; glands of 3rd series stipitate. Staminodes ca. 2 mm. Ovary ovoid, ca. 2 mm, glabrous. Fruit globose, 1.5-2(-2.7) cm, glabrous, purple-black when mature; fruiting pedicel enlarged to 3 mm in diam. Fl. Mar-Apr, fr. May-Sep.
● Mountain ridges, mossy forests, evergreen broad-leaved forests; 1500-2000 m. SE Xizang, S and SE Yunnan.