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

42. Machilus ichangensis Rehder & E. H. Wilson in Sargent, Pl. Wilson. 2: 621. 1916.

宜昌润楠 yi chang run nan

Trees, 7-15 m tall. Branchlets slender, glabrous. Terminal buds subglobose; bud scales suborbicular, grayish white deciduous pubescent outside, margin usually densely ciliate. Petiole slender, 8-20(-25) mm; leaf blade oblong-lanceolate to oblong-oblanceolate, 10-24 × 2-6 cm, usually ca. 16 × 4 cm, thickly papery, abaxially appressed sericeous or glabrous, adaxially glabrous, midrib abaxially conspicuously elevated, adaxially concave, lateral veins slender, 12-17 pairs, abaxially more conspicuous than adaxially, veinlets slightly conspicuous on both surfaces, sometimes foveolate adaxially, base cuneate, apex shortly acuminate. Panicles arising at base of 1-year-old branchlet, 5-18 cm, grayish yellow appressed sericeous or glabrate; peduncle 2.2-5 cm, branched ca. at middle. Pedicel 5-7(-9) mm, appressed sericeous. Flowers white, 5-6 mm. Perianth lobes appressed sericeous on both surfaces, outer ones more narrow. Stamens shorter than perianth, glabrous; glands of 3rd series stipitate. Ovary glabrous. Fruit subglobose, ca. 1 cm in diam. Fl. Apr, fr. Aug.

● Mountain slopes, open forests in valleys, mixed broad-leaved forests; 600-1400 m. W Gansu, N Guangxi, SE Guizhou, Hubei, S Hunan, S Shaanxi, Sichuan.

1 Young leaf blade ± hairy abaxially; inflorescences 5-9 cm.   42a var. ichangensis
+ Young leaf blade glabrous on both surfaces; inflorescences longer, 11-18 cm.   42b var. leiophylla

Lower Taxa


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