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FOC | Family List | FOC Vol. 15 | Styracaceae | Huodendron

2. Huodendron biaristatum (W. W. Smith) Rehder, J. Arnold Arbor. 16: 344. 1936.

双齿山茉莉 shuang chi shan mo li

Shrubs or trees, to 12 m tall. Trunk to 25 cm d.b.h. Branchlets tomentose or glabrous. Petiole 0.5--1.5 cm; leaf blade elliptic, elliptic-lanceolate, or obovate-oblong, 5--17 X 2.5--6 cm, abaxially glabrous except veins axils with tufted hairs, adaxially yellow-green when dried and glabrous or gray stellate pubescent on veins, base cuneate, margin remotely serrate, apex acute, obtuse, or acuminate, secondary veins 4--9(--11) pairs, tertiary veins abaxially distinct and reticulate. Inflorescences terminal or axillary, subcorymbose, 3--10 cm, densely gray-tomentose. Pedicel 1 cm. Calyx 2 mm, pubescent, teeth deltoid. Petals yellowish, narrowly oblong, 6--9 X 2--2.5 mm. Stamens 8--10, as long as petals; filaments and connective pubescent. Style slightly longer than stamens, apically 3-parted. Fruiting pedicel slightly curved. Fruit ovoid, 4--5 mm, densely gray tomentose. Seeds 1--1.3 mm. Fl. Apr-May, fr. Jun-Oct.

200--600 m. Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Yunnan [Myanmar, Thailand, Vietnam]

1 Leaf blade primary and secondary veins adaxially impressed and abaxially pubescent where they join   2a var. biaristatum
+ Leaf blade primary and secondary veins adaxially raised and abaxially glabrous   2b var. parviflorum

Lower Taxa


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