16. Cryptocarya metcalfiana C. K. Allen, J. Arnold Arbor. 23: 457. 1942.
长序厚壳桂 chang xu hou ke gui
Cryptocarya howii C. K. Allen.
Trees, up to 30 m tall, to 30 cm d.b.h. Old branchlets brown, robust, angled, grayish brown lenticellate, glabrous; young branchlets angled, finely striate, sparsely pubescent. Leaves alternate; petiole 1-2 cm, plano-convex, glabrous; leaf blade slightly glaucous green abaxially, shiny adaxially, lanceolate, lanceolate-elliptic, or lanceolate-ovate to ovate, 5-12(-14) × 2.5-4(-5.5) cm, leathery, glabrous on both surfaces, midrib elevated abaxially, impressed adaxially, lateral veins 3-7 pairs, elevated abaxially, slightly impressed adaxially, veins and veinlets reticulate, conspicuous abaxially, inconspicuous adaxially, base cuneate and always asymmetric, apex acute, obtuse, or shortly acuminate. Panicles subracemose, axillary and terminal, many flowered, usually longer than leaf, ca. 10 cm, brown villous, terminal branches short, glaucous, 2- or 3-flowered. Pedicels slender, ca. 1 mm, pubescent. Flowers greenish yellow, ca. 3 mm. Fruit green when young and black when mature, narrowly ellipsoid, 1.4-2.5 × 1-1.1 cm, glabrous, inconspicuously angled; fruit stalk dilated, 2-3 mm. Fl. Mar-May, fr. Jun-Dec.
● Evergreen broad-leaved forests; below 900 m. Hainan.
The wood is finely grained, heavy, durable, and is used for making furniture.