Arctium L.

Herbs, erect, branched. Leaves radical or cauline. Heads homogamous, solitary or fascicled, terminal. Flowers all similar, bisexual, fertile, tubular, purplish; limb cylindric, 5-fid. Involucral bracts many-seriate, appressed, tips subulate, spreading, glochidiate. Receptacle flat, densely bristly. Filaments glabrous; anther bases sagittate; tails setaceous. Style arms linear. Achenes oblong, subtriquetrous, many ribbed, glabrous, shining, truncate, base unequal. Pappus hairs short, serrulate, deciduous.

Eurasia; ca 6 species, 1 in India.

ARENES, J. (1950). Bull. Jard. Bot. Bruxelles 20: 67-156.

List of Lower Taxa