Adonis microcarpa Dc.

Erect annual, 10–50 cm high. Stem usually branched, sparsely villose towards base, glabrous above. Leaves 2-or 3-pinnate, to 6 cm long, with linear, acute segments, glabrous. Peduncle 1–5 cm long, lengthening as flower matures. Flowers solitary, 15–25 mm diam., terminal. Sepals appressed to spreading, ovate-oblong, 5–12 mm long, glabrous, dark purplish brown. Petals 5–10, suberect, obovate, 7–15 mm long, longer than the sepals, usually yellow, rarely bright-red, with a black basal spot. Stamens numerous; anthers dark purple. Carpels 10–50. Achenes 2.5–4 mm long, arranged in a ± cylindrical head c. 15–25 mm long, each with a short straight green beak.

In Australia it occurs as a weed mainly in barley and wheat fields.

Can be grown by seedlings.