Adonis annua

Herbs, annual, taprooted. Stem 1, 10-40 cm. Leaves: basal leaves 2-5 cm, similar to cauline, petiolate; cauline leaves sessile or subsessile. Leaf blade 2-3-pinnatifid. Flowers 1.5-2.5 cm diam.; sepals appressed to petals, broadly obovate, ± erose in distal 1/3, minutely ciliate, otherwise glabrous; petals 6-10, spreading, dark red [orange to red-purple], usually with dark basal blotch, ±plane, 8-15 mm, ca. 1.5 times length of calyx, apex slightly erose; stamens 15-20; anthers purple-black (olive green with age); pistils 20-30. Heads of achenes short-cylindric, 13-20 × 6-10 mm; pedicels conspicuously exserted well beyond leaves. Achenes 3-5 mm, glabrous, adaxial margin nearly straight, abaxial keel gibbous, not toothed; beak straight, erect, 0.5-1 mm.

Adonis Annua

Adonis annua

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