All Floras      Advanced Search
FOC Vol. 20-21 Page 5, 160, 175 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 20-21 | Asteraceae

34. Carduus Linnaeus, Sp. Pl. 2: 820. 1753.

飞廉属 fei lian shu

Authors: Zhu Shi & Werner Greuter

Herbs, biennial or perennial. Stems with spiny wings. Leaves subentire or pinnately divided, spiny. Capitula solitary to clustered. Involucre cylindric to depressed-globose. Phyllaries imbricate. Florets bisexual. Corolla purple to red or rarely white. Stamen filaments densely pubescent; anther with short, basal appendages entire to somewhat lacerate. Style branches short. Achene narrowly obovoid, laterally compressed, often with 10-15 slender longitudinal striae but otherwise smooth; elaiosome crowned by an inconspicuous disk. Pappus 4 or 5 rows of scabrid bristles, outer ones shorter than inner.

About 95 species: tropical Africa, Asia, Europe; three species in China.

1 Capitula solitary, ± nodding; involucre 4-7 cm in diam.; outer and middle phyllaries 4-5 mm wide, distal portion narrowed at base.   1 C. nutans
+ Capitula clustered by 3-5 or sometimes solitary, erect; involucre 1.5-2(-2.5) cm in diam.; phyllaries to 2 mm wide, distal portion not narrowed at base   (2)
2 (1) Plants dark green; leaves abaxially sometimes gray and thinly cobwebby; leaf and wing spines weak, to 3 mm.   2 C. crispus
+ Plants light green or bluish green; leaves concolorous and hardly cobwebby; major leaf and wing spines pungent, 3-6 mm.   3 C. acanthoides

Lower Taxa


Flora of China @
Browse by
Advanced Search

Flora of China Home




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