特徵描述
作者
KAO, Muh-Tsuen and PENG, Ching -I
型態特徵
Herbs, annual, biennial and perennial; stems erect or creeping. Leaves radical or cauline, simple, alternate, opposite or verticillate, rarely pinnately lobed, estipulate. Flowers in racemes, axillary or superposed verticils, bisexual, usually actinomorphic; calyx persistent, (4–)–5(–9)-lobed; corolla rotate, salverform or infundibuliform, sometimes subcampanulate, imbricate in bud, limb 4–9-lobed; stamens as many as corolla lobes and opposite them, inserted on tube; staminodes rare, alternate with stamens; ovary superior, glabrous or pubescent, 1-locular; ovules many, placentation free-central. Seeds small, many, endosperm copious.
屬
Twenty-two genera and about 1,000 species; mainly in the northern hemisphere, a few in the tropics and the southern hemisphere; five genera and fourteen species in Taiwan.
參考文獻
- Chen, F. H., C. M. Hu, Y. Y. Fang, C. Z. Cheng, Y. C. Yang, & R. F. Huang., Flora Reipublicae Popularis Sinicae 59(1): 217. 1989. (Fl. Reip. Pop. Sin.)
- Hu, C. M. & S. Kelso., Flora of China Family 15: 39-189. 1996. (Fl. China)
- KAO, Muh-Tsuen and PENG, Ching -I, Flora of Taiwan, second edition 4: 57. 1989. (Fl. Taiwan 2nd edit.)
Primula 櫻草屬
作者
KAO, Muh-Tsuen and PENG, Ching -I
型態特徵
Perennial herbs, rhizomes short. Leaves usually basal, rarely densely arranged on short stems, reniform-orbicular or obovate-spatulate; subsessile to long-petiolate, margins entire or palmately lobed, often toothed. Flowers in terminal pedunculate umbels, rarely solitary, white or rose purple, rarely yellow, bracts small, without bracteoles; calyx tubular to infundibuliform, 5-lobed; corolla salverform or campanulate, often with appendages in the throat, limb 5-lobed, imbricate in bud, entire or serrulate; filaments very short, anthers obtuse; ovary globose or ovoid; style simple, slender. Capsules globose to cylindric, 5-valved; seeds many.
