Botanical Survey of India | Flora of India

JSP Page

Shrubs or herbs; stems glabrous or pilose. Leaves alternate or opposite, dentate or lobed or entire, pubescent with winged or auricled petioles. Heads radiate, heterogamous or rarely homogamous, solitary or corymbose. Involucre hemispherical. Involucral bracts in few series (2-5), dry or herbaceous; outer shorter. Ray florets in 1 - 2 series; corolla yellow or white, ligulate, entire or 2 - 3 dentate; tube generally pubescent. Ovary fertile, laterally compressed. Achenes obovoid, with winged margins. Pappus of 2 awns. Disc florets many, bisexual; corolla tubular, 5-dentate. Anthers acute at apex. Style-arms short with a triangular, acute, papillose apex. Achenes as in ray florets.

Mostly in C. and S. America; ca 200 species, 1 in India.




JSP Page
  • Search