20. Machilus chienkweiensis S. K. Lee, Acta Phytotax. Sin. 17(2): 48. 1979.
黔桂润楠 qian gui run nan
Persea chienkweiensis (S. K. Lee) Kostermans.
Trees, 7-11 m tall; trunk to 25 cm d.b.h. Branchlets yellowish green to purplish brown, somewhat thick, with many circular scars of bud scales. Terminal buds compressed globose; bud scales subrounded, wide, outer ones glabrous outside, ciliate, inner ones yellowish brown tomentose. Petiole slender, 1.2-2(-2.5) cm; leaf blade abaxially slightly glaucous-green, adaxially lustrous, elliptic or oblong, usually 6-12(-15) × 2.2-4.5 cm, thinly leathery, glabrous on both surfaces, midrib abaxially elevated, adaxially narrowly canaliculate, lateral veins (8-)10-12 pairs, slightly slender, somewhat raised on both surfaces, veinlets densely reticulate, foveolate on both surfaces. Flowers unknown. Infructescences arising from lower part of newly sprouted branchlet, short, 3-5 cm, glabrous; peduncle reddish. Fruit globose, ca. 2.2 cm in diam., green and slightly glaucous when immature; perianth lobes glabrous outside; fruiting pedicel reddish, ca. 7 × 2 mm. Fr. Jun-Jul.
● Dense or open mountain forests in valleys or on slopes; 800-1200 m. N Guangxi, SE Guizhou.