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
Mitella 嗩吶草屬
作者
KAO, MUH-TSUE
型態特徵
Perennial herbs with creeping rhizomes. Leaves mostly basal, long-petiolate, simple, cordate, incised to lobulate, the stipules scarious. Inflorescence a terminal one-sided spicate raceme; flowers small; calyx 5-lobed, the calyx-tube cup-shaped or campanulate, more or less adnate to the ovary, divided into 5 valvular sepals; petals 5, 3-cleft or pinnatifid, sometimes simple or absent; stamens 5 or 10; ovary 1-locular, superior or subinferior; styles 2. Capsules 2-valved at apex; seeds ovoid, small, many.
