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
Astilbe 落新婦屬
作者
KAO, MUH-TSUE
型態特徵
Perennial, pubescent herbs. Leaves radical and cauline, alternate, ternately compound, rarely simple, the stipules scarious, the leaflets lanceolate to ovate-orbicular, toothed. Inflorescence a terminal panicle. Flowers small, very numerous, white or rose-purple, bracteate, bisexual or unisexual, sometimes dioecious; calyx-tube short, usually 5, sometimes 7–11-lobed; petals persistent, linear or absent; stamens 5–10; ovary subsuperior; carpels 2, connate at the base. Capsules 2-locular, dehiscent between the styles. Seeds small, numerous.
