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FOC | Family List | FOC Vol. 7 | Lauraceae | Machilus

28. Machilus zuihoensis Hayata, J. Coll. Sci. Imp. Univ. Tokyo. 30(1): 244. 1911.

香润楠 xiang run nan

Medium-sized or large trees. Branchlets terete, lenticellate, puberulent becoming glabrate, blackish when dry. Bud scales glabrous or yellowish brown pilose. Petiole 1.5-2.5 cm, puberulent to glabrate; leaf blade yellowish green to green or deep green to blue-green when alive, oblong, elliptic, or lanceolate to oblanceolate, 7-22 × 2.5-6 cm, leathery, abaxially hairy, glaucescent, adaxially glabrous, midrib abaxially elevated, adaxially slightly impressed, lateral veins 7-14 pairs, slender, veinlets densely reticulate, inconspicuous on both surfaces, base cuneate or sometimes obtusely cuneate, apex acute to acuminate. Inflorescences in cymose panicles, arising from base of newly sprouted branchlet, to 18 cm, pubescent, branched at upper part of peduncle; involucral bracts caducous. Pedicel 3-4 mm, pubescent. Perianth lobes subequal, oblong to oblanceolate, ca. 3.7 × 1.7 mm, pubescent on both surfaces, apex obtuse. Stamens equal in length, those of 3rd series villous at base with stipitate glands. Staminodes barbate at base. Ovary ovoid, glabrous; style glabrous. Fruit compressed globose, 7-10 mm in diam., black when mature; persistent perianth lobes reflexed. Fl. Dec-Apr, fr. Jul-Aug.

● Broad-leaved and mixed forests, common; 100-1400 m. Taiwan.

1 Leaf blade base cuneate, 7-14 × 2.5-3.5 cm; fruit 7-8 mm in diam..   28a var. zuihoensis
+ Leaf blade base obtusely cuneate, blade much larger, 12-22 × 2.5-6 cm; fruit 9-10 mm in diam..   28b var. mushaensis

Lower Taxa


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