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Stachyuraceae

旌節花科

APG 4
Flora of Taiwan
特徵描述
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Stachyurus 通條樹屬
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特徵描述

作者

LI, HUI-LIN

型態特徵

Shrubs or small trees, deciduous or evergreen, often with straggling branches, the branchlets with large pith, the winter buds small, with 2–4 outer scales. Leaves alternate, the petioles slender, the blades membranaceous to coriaceous, serrulate; stipules small, caducous. Flowers small, regular, perfect or functionally dioecious, sessile to short-pedicellate, in erect or pendulous racemes or in spikes axillary on last years branches, with one bract at the base of the pedicel and two bracteoles, subtending the flower. Sepals and petals each 4, free, imbricate. Stamens 8, distinct, the anthers versatile. Ovary superior, incompletely 4-celled by the intrusion of the parietal placentae, the style simple, short, the stigma capitate, 4-lobed, the ovules many. Fruit berry-like, with leathery pericarp. Seeds many, small, with soft aril; endosperm present; embryo straight, the cotyledons elliptic, the radicle short.

One genus in eastern Asia.

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型態特徵

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學名 中名 標本數