Gnaphalium 鼠麴草屬
型態特徵
Woolly pubescent herbs, erect or diffusely branched. Leaves alternate, entire or nearly so. Heads small, in terminal or axillary corymbs or spikes or in fascicles, heterogamous, disciform. Involucre ovoid or campanulate, bracts 3–5-seriate, scarious, outer gradually smaller, often ovate or oblong. Receptacle flat, convex or conic, pitted or not. Florets all fertile; outer florets pistillate, outnumbering central ones; central florets few, bisexual, perfect, corolla limb dilated, 5-toothed or 5-lobed. Anthers sagittate at base, cells with slender tails. Style branches truncate or capitate. Achenes oblong or obovoid terete, not ribbed. Pappus bristles 1-seriate, slender or sometimes thickened at tip, caducous, connate at base or not.
A cosmopolitan genus of 50 to 300 species and with most species in Africa, Mexico and upland South America. The Asian species have not been carefully revised; in Taiwan, about nine species, three of which are represented by two varieties each.
參考文獻
- PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 973. 1998. (Fl. Taiwan 2nd edit.)
- Drury, D. G., New Zealand J. Bot. 9: 157-185. 1971.
- Osada, T. & K. Osada., 4: 128-133. 1984.
種列表
- Gnaphalium adnatum 紅面番
- Gnaphalium calviceps 直莖鼠麴草
- Gnaphalium hypoleucum 秋鼠麴草
- Gnaphalium hypoleucum var. amoyense 假秋鼠麴草
- Gnaphalium involucratum var. simplex 細葉鼠麴草
- Gnaphalium involucratum var. ramosum 分枝鼠麴草
- Gnaphalium japonicum 父子草
- Gnaphalium luteoalbum 絲綿草
- Gnaphalium luteoalbum ssp. affine 鼠麴草
- Gnaphalium luteoalbum var. multiceps
- Gnaphalium maderaspatana
- Gnaphalium pensylvanicum 匙葉鼠麴草
- Gnaphalium polycaulon 多莖鼠麴草
- Gnaphalium purpureum 鼠麴舅
- Gnaphalium sp.
- Gnaphalium spicatum 裏白鼠麴草
