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

12. Beilschmiedia roxburghiana Nees in Wallich, Pl. Asiat. Rar. 2: 69. 1831.

稠琼楠 chou qiong nan

Beilschmiedia fagifolia Nees.

Trees, 10-15(-20) m tall. Branchlets blackish brown, compressed, conspicuously angled, sparsely pubescent or subglabrous. Terminal buds small, densely gray-brown pubescent. Leaves opposite, sometimes alternate; petiole 1.5-2 cm, slender; leaf blade elliptic, narrowly elliptic, or elliptic-lanceolate, 9-14 × 3.5-5 cm, papery or subleathery, minutely glandular-punctate on both surfaces, midrib abaxially elevated, adaxially slightly elevated, lateral veins 10-15 pairs, slender, interconnected on leaf margin, abaxially elevated and reddish, reticulate veins slender, always inconspicuous, base broadly cuneate or subrotund, apex obtuse, obtusely acuminate, acute, or subrotund. Cymose panicles or racemes terminal or axillary, short, 5-15 cm, wholly densely gray-yellow pubescent. Pedicels ca. 1 mm. Flowers small. Perianth segments ovate, ca. 1.5 mm. Fertile stamens 9. Fruits ellipsoid, 4-5 × 2-3 cm, smooth, subrounded at both ends, apex mucronate; fruiting pedicels robust, 5-20 mm, up to 7 mm in diam., always brown maculate. Fl. and fr. Aug.

Evergreen broad-leaved forests on mountain slopes. SE Xizang [Bhutan, India, Myanmar, Nepal, Thailand].

Some specimens cited by Allen (J. Arnold Arbor. 23: 451. 1942) as Beilschmiedia roxburghiana (S. K. Lau 3147, A; S. K. Lau 27404, A; and K. Fung 20123, A, US) are, in fact, B. percoriacea (species no. 36), which is characterized by the whole plant being glabrous. Records from Hainan (in Fl. Hainan. 1: 278. 1964) are referable to B. appendiculata (species no. 15), which was included in the synonymy of B. roxburghiana in that work (as Lauromerrillia appendiculata).


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