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Anacardiaceae

漆樹科

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特徵描述

作者

LI, HUI-LIN

型態特徵

Trees or shrubs; juice often milky and acrid. Leaves alternate, very rarely opposite, estipulate, simple or compound. Inflorescence various; flowers small, regular, unisexual, polygamous, or bisexual. Calyx 3–5-partite, sometimes accrescent. Petals 3–5, alternate with the sepals, free, imbricate or valvate. Disc flat, cup-shaped or annular, entire or lobed, rarely obsolete. Stamens as many as the petals, rarely more, inserted under, rarely on the disc, the filaments usually subulate; anthers 2-celled, basifixed or dorsifixed. Ovary superior, very rarely half-inferior, 1- or 2–6-celled, of 5–6 free carpels in Buchanania; ovules solitary in the cells, pendulous from the top or wall or from an ascending basal funicle. Fruit usually a l–5-celled, 1–5-seeded drupe. Seeds exalbuminous; embryo straight or curved; cotyledons plano-convex.

Genera about 60, chiefly tropical.

參考文獻

Pistacia 黃連木屬

作者

LI, HUI-LIN

型態特徵

Trees or shrubs. Leaves alternate, estipulate, pinnate or 3-foliolate. Flowers small, apetalous, in axillary racemes or panicles, dioecious. Staminate flowers: calyx 3–5-fid; stamens 3–4; disc small; rudimentary ovary 0 or minute. Pistillate flowers: sepals 3–4; stamens and disc 0; ovary sessile, 1-celled; style short, 3-fid, the stigmas capitate; ovule pendulous from a basal funicle. Drupe dry, the stone bony; seed with a membranaceous testa.

參考文獻

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