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.
屬
Genera 12 or more, mostly in tropical and subtropical regions; six in Taiwan.
參考文獻
Vitis 葡萄屬
作者
LU, FU- YUAN
型態特徵
Deciduous, rarely evergreen vines, climbing by tendrils, pith brown, interrupted at nodes by diaphragms; tendrils opposite the leaves. Leaves simple, dentate, usually lobed, rarely palmately compound, long-petiolate. Flowers polygamo-dioecious, 5-merous, in leaf-opposed panicles; calyx cupular, subinterger, sepals minute or obsolete; petals cohering at apex and falling as a whole at anthesis; disc hypogynous, consisting of 5 nectariferous glands adnate to the base of ovary; stamens 5, inserted on the disc; ovary 2-celled, with 2 collateral erect ovules in each cell. Fruit a 2–4 seeded berry; seeds usually pyri¬form, with a contracted beak-like apex and with 2 grooves on the ventral side.
