Description: Annual or perennial herbs or shrubs.
Leaves opposite or rarely alternate, entire to pinnately divided.
Heads solitary or in loose corymbs or panicles; heads cup-shaped; involucral bracts in few series but usually 2-seriate, ± fused at base, outer herbaceous and appressed or spreading, inner larger and membranous; receptacle flat or slightly convex, scales present. Ray florets in 1 row, sterile or rarely female and fertile, ligulate. Disc florets tubular, bisexual, fertile (or innermost sterile), 5-toothed. Anthers entire or minutely auriculate at base; style branches truncate at apex or conical or with a short tail-like appendage.
Achenes compressed, mostly laterally 2-winged; pappus absent, or of 2 teeth or awns (smooth or barbed).
Distribution and occurrence: World: c. 120 species America, tropical Africa. Australia: 1 species (naturalized).
Text by L. Murray
|One species in NSW: Coreopsis lanceolata|