15. Cryptocarya concinna Hance, J. Bot. 20: 79. 1882.
黄果厚壳桂 huang guo hou ke gui
Cryptocarya konishii Hayata; C. lenticellata Lecomte; C. microcarpa F. N. Wei.
Trees, up to 18 m tall, to 35 cm d.b.h. Bark brownish. Branchlets gray-brown, ± angled, finely striate and glabrous; young ones slender, angled, finely striate, densely yellowish brown tomentose. Leaves alternate; petiole yellow-brown, 0.4-1 cm, concave-convex, pubescent; leaf blade green-white abaxially, slightly shiny adaxially, elliptic-oblong or oblong, (3-)5-10 × (1.5-)2-3 cm, papery, slightly pubescent but soon glabrate abaxially, glabrous adaxially, midrib elevated abaxially, impressed adaxially, lateral veins 4-7 pairs, elevated abaxially, inconspicuous adaxially, transverse veins and veinlets irregularly reticulate, ± conspicuous abaxially, inconspicuous adaxially, base cuneate and unequal on sides, apex obtuse, subacute, or shortly acuminate. Panicles axillary and terminal, (2-)4-8 cm, pubescent, several branched toward top; peduncles pubescent; bracts very small, triangular. Pedicels 1-2 mm, pubescent. Flowers up to 3.5 mm. Perianth pubescent outside and inside; perianth tube subcampanulate, ca. 1 mm; perianth lobes oblong, ca. 2.5 mm, obtuse. Fertile stamens 9; filaments 1.4-1.5 mm, villous at base, those of 3rd whorl each with 2 stalked glands, others glandless; anthers oblong, ca. 1 mm; connective much exserted, exserted part ca. 0.33 mm; anther cells of 1st and 2nd whorls introrse, those of 3rd whorl extrorse. Staminodes 3, triangular-lanceolate, 1-1.5 mm. Ovary included in perianth tube, narrowly obovoid, gradually attenuate at apex into a style; stigma obliquely truncate. Fruit dark green when young, black or blue-black when mature, narrowly ellipsoid, 1.5-2 × ca. 0.8 cm, inconspicuously 12-angulate when young, inconspicuously angled when mature. Fl. Mar-May, fr. Jun-Dec.
Evergreen broad-leaved forests on gradual slopes or in valleys; below 600 m. Guangdong, Guangxi, SE Guizhou (Libo, Sandu), Hainan, Jiangxi, Taiwan [N Vietnam].
The wood is finely grained, heavy, durable, and is used for furniture or house construction.