All Floras      Advanced Search
Login | eFloras Home | Help
Dinghushan | Family List | Compositae | Rudbeckia

Rudbeckia laciniata L.

金光菊

Description from Flora of China

Perennials, 50-200 cm tall. Leaves green; blade broadly ovate to lanceolate, all but distalmost ones 1- or 2-pinnatifid or pinnately compound; leaflets or lobes 3-11, glabrous or hairy, base cuneate to attenuate or cordate, margin entire or dentate, apex acute to acuminate; basal leaves petiolate, 15-50 × 10-25 cm; cauline leaves petiolate or sessile, mostly lobed to pinnatifid, sometimes not lobed, 8-40 × 3-20 cm. Capitula 2-25 in loose, corymbiform arrays; phyllaries 8-15, ovate to lanceolate, glabrous or hairy, margin mostly ciliate; receptacle hemispheric or ovoid to globose; paleae 3-7 mm, abaxially densely hairy at apex, apex truncate or rounded. Ray florets 8-12; corolla limb elliptic to oblanceolate, 15-50 × 4-14 mm, abaxially hairy. Disk 0.9-3 × 1-2.3 cm; disk florets numerous; corolla yellow to yellowish green, 3.5-5 mm; style branches 1-1.5 mm, apex acute to rounded. Achenes 3-4.5 mm; pappus coroniform or of 4 scales, to 1.5 mm. Fl. Jul-Sep.

Widely cultivated and naturalized in China [native to North America].

生活型: 草本

栽培植物: 栽培

特征: 草本;

花期: 秋月

生境: 栽培

用途: 观赏花卉;叶消肿拔毒

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲


 

Related Objects  

Flora of North America  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |