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Vitaceae

葡萄科

特徵描述
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特徵描述

作者

LU, FU- YUAN

型態特徵

Vines climbing by means of tendrils. Leaves alternate or the lower sometimes opposite, simple or absent. Flowers regular, perfect or unisexual, small, cymose, umbellately paniculately or racemosely arranged, leaf opposed; calyx small, entire or 4–5 toothed or lobed; petals 4–5, free or united, valvate, caducous; stamens 4 or 5, opposite to the petals, inserted at the base of disc or between its lobes, anthers free or connate, extrorse, 2-locular, opening lengthwise; disc intra-staminal, mostly very distinct, free or connate with stamens or ovary; ovary 2–6-celled, style short or none, stigma capitate or discoid; ovules 1–2 in each cell. Fruit baccate, 1–6-celled, watery; seeds with small embryo and copious endosperm.

Genera 12 or more, mostly in tropical and subtropical regions; six in Taiwan.

參考文獻

Ampelopsis 山葡萄屬

作者

LU, FU- YUAN

型態特徵

Deciduous shrubs, climbing by tendrils; branches more or less nodose, tendrils twining, without disc-like tips, opposite to the leaves. Leaves alternate, simple or compound. Flowers perfect, small, greenish, in long-peduncled dicho¬tomous cymes opposite to the leaves, or terminal, 5-merous, rarely 4-merous; calyx indistinct, subentire; petals expanding; disc cupular, with its base adhering to the ovary; stamens short; ovary 2-celled, entire or crenulate on the margin, style slender, subulate, stigma undivided; ovules 2 in each cell. Fruit a 1–4-seeded berry; seeds ovoid, smooth, with a very short beak.

參考文獻

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