特徵描述
作者
KAO, MUH-TSUE
型態特徵
Herbs, shrubs or small trees. Leaves alternate or opposite, usually without stipules; blade simple or compound. Inflorescences basically cymose, sometimes racemose to paniculate. Flowers bisexual or polygamo-dioecious, regular, hypogynous or perigynous; sepals or calyx-lobes 4–5, free or united, imbricate or valvate; petals 4–5, rarely 0, imbricate or valvate; stamens inserted with the petals, equalling or doubling their number; staminodes or glands sometimes present between the stamens and ovary; carpels 2–5, wholly or partly connate, rarely separate; styles as many as the carpels, distinct or connate nearly to the summit, the stigmas capitate or lateral and subcapitate, ovules numerous, erect or pendulous. Fruit a capsule or berry; seeds numerous, small, winged, albuminous; embryo small, the cotyledons flat.
屬
About 80 genera and 1,200 species, widely distributed, chiefly in the cold and temperate regions; 13 genera, 23 species and two varieties in Taiwan.
參考文獻
Tiarella 黃水枝屬
作者
KAO, MUH-TSUE
型態特徵
Perennial herbs; rhizomes short-creeping. Leaves mostly basal, long-petiolate, simple palmately lobed or 3-foliolate, the cauline leaves few, with small stipules. Flowers small, in panicles or racemes; bracts minute; calyx 5-lobed, subpetaloid, the calyx-tube cup-shaped; petals 5, small or sometimes lacking; stamens 10; filaments filiform; ovary nearly superior; styles slender, the stigma punctiform. Capsules 1-celled, 2-horned, with 2 unequal valves; seeds few, smooth.
