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Chinese Plant Names | Family List | Lauraceae | Machilus

Machilus robusta W. W. Sm.


Description from Flora of China

Machilus liangkwangensis Chun; Persea liangkwangensis (Chun) Kostermans; P. robusta (W. W. Smith) Kostermans.

Trees, 15(-20) m tall; trunk to 40 cm d.b.h. Bark blackish gray, rough. Branchlets thick, terete, ± compressed and puberulent when young, becoming glabrate after, lenticellate. Buds small; bud scales light brown, densely puberulent outside. Petiole 2.5-5 cm; leaf blade sometimes slightly glaucous abaxially, elliptic to obovate-elliptic or suboblong, 10-20(-26) × (2.5-)5.5-8.5 cm, leathery, glabrous on both surfaces, midrib raised abaxially, reddish when fresh, concave adaxially, lateral veins (5-)7-9 pairs, distant, abaxially raised, adaxially subflat, veinlets reticulate, foveolate on both surfaces, base subrounded or broadly cuneate, apex subacute, sometimes shortly acuminate. Panicles terminal or subterminal, 4-12(-16) cm, much branched, many flowered; peduncle 2.5-11.5 cm, thick, compressed, reddish when fresh, densely pubescent, becoming glabrate. Pedicel 5-8 mm, pubescent, reddish when fresh. Flowers yellowish green or pale yellow, large, 7-8(-10) mm. Perianth lobes subequal, ovate-lanceolate, 6-7(-9) × 2-3(-3.5) mm, pubescent to glabrate on both surfaces. Stamens 6-7 mm, ± hairy at base; glands of 3rd series shortly stipitate. Staminodes glabrous. Ovary subglobose, ca. 2.5 mm, glabrous. Fruit globose, 2.5-3 cm in diam., blue-black when mature; fruiting pedicel thickened, 1-1.5 cm, to 3 mm in diam. Fl. Jan-Apr, fr. Apr-Jun.

Evergreen mixed broad-leaved forests, especially valleys; 600-2100 m. Guangdong, Guangxi, S Guizhou, Hainan, SE Xizang (Mêdog), S Yunnan [Myanmar].


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