Ranunculus arvensis
Ranunculus arvensis
Mustafaçiçeği
Sparsely adpressed-pilose annual, 5-30 cm, with a subterranean hypocotyl resembling a taproot. Lower leaves trifid, trilobed or trisect; median stem leaves multisect into many linear laciniae. Sepals adpressed. Petals 4-6 mm. Carpels 3-9, in a single series, less numerous than the stamens. Achenes obovate-orbicular, compressed, 4-5 mm, with a transversely flattened margin, sculpturing very diverse, often spiny: disc spines half as long as the 2- mm marginal ones , all spines longer, outer ones c. 4 mm , disc and margin very shortly spiny , margin without spines and the disc tuberculate , or reticulately ridged ; beak a lanceolate spine about half as long as achene, rarely as long. Fl. 3-6. Segetal habitats, often in cornfields, s.I.-1850 m.
Europe, S.W. Asia, N. Africa, Turkestan. In Turkey mainly in areas of Mediterranean and Irano-Turanian vegetation.
