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
Tetrastigma 崖爬藤屬
作者
LU, FU- YUAN
型態特徵
Evergreen or deciduous climbing shrubs; tendrils with adhesive tips. Leaves alternate, pedately 5-foliolate or sometimes reduced to 3- or 1-foliolate. Flowers 4-merous, polygamo-dioecious, in axillary or rarely leaf-opposed cymes or umbels, repeatedly or tri- to di-chotomous; petals expanding, often with mucronately corniculate apex; disc adnate to the base of ovary, more or less enlarged in fruit; ovary 2-celled, cells 2-ovuled; style very short, stigma dilated, 4-lobed or 4-parted, lobes irregularly lacerate. Berry with 2–4 seeds each; seeds ovoid-globose, convex on the back and sulcate on the central side.
