Schizophragma 鑽地風屬
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
Schizophragma 鑽地風屬
作者
KAO, MUH-TSUE
型態特徵
Deciduous shrubs climbing by aerial rootlets. Leaves opposite, long-petiolate, dentate or entire, estipulate. Flowers in loose terminal stalked corymbs, the outer marginal flowers sterile, consisting of a single large sepal; fertile flowers small; calyx-tube turbinate, adnate to the ovary, the limb 4–5-dentate, imbricate; petals 4–5, valvate, white; stamens 10, inserted on epigynous disc, the filaments elongate, filiform, the anthers short; ovary inferior, 4–5-celled; styles simple, short, with capitate 4–5-lobed stigma; ovules numerous. Fruit a 10-ribbed turbinate capsule opening between the ribs. Seeds numerous, linear.
About three species in eastern Asia; one variety in Taiwan.
