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FOC | Family List | FOC Vol. 20-21 | Asteraceae

25. Arctium Linnaeus, Sp. Pl. 2: 816. 1753.

牛蒡属 niu bang shu

Authors: Zhu Shi & Werner Greuter

Bardana Hill; Lappa Scopoli.

Herbs, biennial [or perennial]. Leaves simple, margin sparsely denticulate to subentire. Capitula many, glabrous or cobwebby, forming a corymbose [or racemose] synflorescence. Phyllaries (except sometimes innermost) narrowed into a slender hooked spine. Stamen filaments papillose; anther with subentire to lacerate basal appendages. Style branches linear. Achene obovoid to narrowly ellipsoid, laterally compressed, rugose, striate or ribbed, apex inconspicuously rimmed. Pappus of ca. 3 rows of bristles, outer ones very short.

Eleven species: N Africa, Asia, Europe; two species in China.

1 All phyllaries narrowed into a slender hooked spine; involucre minutely glandular pubescent but not cobwebby.   1 A. lappa
+ Inner phyllaries apically expanded into a dark purple ± truncate appendage; involucre ± densely cobwebby.   2 A. tomentosum

Lower Taxa


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