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

8. Machilus japonica Siebold & Zuccarini ex Blume, Mus. Bot. 1: 331. 1851.

长叶润楠 chang ye run nan

Evergreen large trees. Branchlets thick. Bud scales imbricate, pubescent, becoming glabrate to glabrous. Petiole thick, 0.8-3 cm; leaf blade lustrous, oblong-oblanceolate, ovate-oblanceolate, or oblanceolate, 10-22 × 2.5-8.5 cm, leathery to thinly leathery, abaxially puberulent to glabrous, adaxially glabrous, midrib elevated abaxially, impressed adaxially, lateral veins 7-15 pairs, veinlets inconspicuous or slightly conspicuous on both surfaces, base cuneate or attenuate, apex acuminate, acutely to shortly caudate. Inflorescences arising from base of branchlet, to 20 cm, glabrous; peduncle 3-15 cm; involucral bracts greenish yellow or light reddish. Pedicel 0.4-1 cm. Perianth lobes glabrous to glabrate outside, pubescent inside. Stamens glabrous; filaments of 3rd series ca. 2.3 mm, glands stipitate; stipe barbate. Ovary and style glabrous; stigma capitate. Fruit compressed globose, ca. 1.2 cm in diam., with persistent and reflexed perianth lobes. Fl. Jan-Apr, fr. Aug-Oct.

Broad-leaved forests; low elevations to 2300 m. Taiwan [S Japan, Korea].

1 Leaf blade 10-13 × 2.5-4 cm, oblong-oblanceolate to oblanceolate; involucral bracts greenish yellow.   8a var. japonica
+ Leaf blade longer and wider, 15-22 × 4-8.5 cm, broadly ovate-oblanceolate; involucral bracts light reddish.   8b var. kusanoi

Lower Taxa


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