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
Saxifraga 虎耳草屬
作者
KAO, MUH-TSUE
型態特徵
Herbs, perennials, sometimes annual or biennial; stems creeping or stoloniferous. Leaves simple, basal, the cauline alternate, sessile or petiolate, often toothed or lobed. Inflorescence racemose to paniculate, rarely solitary. Flowers bisexual, white to pink ,purple, or yellow; calyx-tube prominent or shallow and short, the lobes or segments 5; petals 5, equal or unequal, entire; stamens 10, 2 serried, the filaments filiform or sometimes dilated above; carpels 2, connate at base; styles 2, short or long, free, the stigma small. Capsule 2-beaked, 2-loculed, dehiscing between the styles; seeds many, small.
參考文獻
種列表
- Saxifraga adscendens
- Saxifraga aizoides
- Saxifraga altissima
- Saxifraga aspera
- Saxifraga bronchialis var. typica
- Saxifraga bronchialis 刺虎耳草
- Saxifraga bryoides
- Saxifraga caesia
- Saxifraga cernua
- Saxifraga clusii
- Saxifraga cuneifolia
- Saxifraga diversifolia 異葉虎耳草
- Saxifraga exarata
- Saxifraga fusca
- Saxifraga granulata
- Saxifraga laciniata 長白虎耳草
- Saxifraga longifolia
- Saxifraga merkii var. idsuroei
- Saxifraga rivularis
- Saxifraga rotundifolia
- Saxifraga sarmentosa
- Saxifraga sediformis 景天虎耳草
- Saxifraga sp.
- Saxifraga sponhemica
- Saxifraga stellaris
- Saxifraga stolonifera 虎耳草
- Saxifraga tridactylites
- Saxifraga umbrosa
- Saxifraga varians
- Saxifraga virginiensis var. yezoensis
- Saxifraga virginiensis
- Saxifraga × reyeri
