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Styracaceae

安息香科

特徵描述
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特徵描述

作者

LI, Hui-Lin

型態特徵

Shrubs or trees, usually with stellate pubescence. Leaves alternate, simple, estipulate. Flowers perfect, regular, solitary and axillary or in clusters, racemes or panicles terminating short lateral branches; calyx 4–5-lobed or cleft, free or adnate to ovary; petals 4–8, nearly separate or more usually united at base, imbricate or valvate, stamens twice as many as petals, inserted at their base; ovary superior or inferior, 3–5-celled below, ovules one-several in each cell; style slender, stigmas 1–5 . Fruit a dry or fleshy drupe. Seeds with endosperm.

A family with ca. eight genera and over 100 species in eastern Asia, the Mediterranean region and North to South America. Two genera in Taiwan.

參考文獻

Styrax 安息香屬

作者

LI, Hui-Lin

型態特徵

Shrubs or small trees, often lepidote or stellate-pubescent, rarely glabrous. Leaves entire or slightly serrate. Infloresccences axillary or terminal racemes, simple or branched, with minute bracts; Flowers usually white; calyx cup-shaped, free or slightly adnate to ovary, margins truncate, 5-toothed or rarely 2–3-toothed, sometimes subentire; corolla usually 5-parted, tube short, lobes valvate or imbricate in tube, lanceolate to oblong; stamens 8–13, usually 10, attached to base of corolla; ovary 3-celled below, 1-celled above; style subulate or thick, stigma indistinctly 3-lobed or capitate; ovules few in each cell, sometimes solitary. Fruit globose to oblong, dehiscing by 3 valves or irregularly; seeds 1 or rarely 2, subglobose or ellipsoid, with thick endosperm.

參考文獻

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