Ranunculus Ranunculus, Brot.

63. R. gregarius Brot. View in CoL , FI. Lusit. 2: 369 (1804)

( R. nevadensis Willk. , R. escurialensis Boiss. & Reuter , R. carpetanus Boiss. & Reuter ).

Slender pubescent perennial up to c. 30 cm, with cylindrical tubers. Basal leaves reniform or pentagonal, 3- to 5-fid; segments more or less lobed and dentate, sometimes divided into narrow sessile or stipitate lobes, appressed-hirsute to glabrescent. Flowers 1-4, c. 25 mm in diameter. Head of achenes c. 10 mm. Receptacle pubescent to nearly glabrous. Achenes broadly orbicular, sparsely setose or rarely glabrous; beak shorter than achene, hooked. Portugal, Spain. Hs Lu. This species occurs in more or less isolated populations which differ from one another mainly in leaf-shape and degree of pubescence; many of these have been given specific rank. Among the more distinct is R. henriquesii Freyn , Bot. Centralb. 6 (3): 21 (1881) (Portugal) with narrow, acute, villous, distant leaf-lobes and densely pubescent receptacle and R. malessanus Degen & Hervier , Bull. Acad. Int. Géogr. Bot. (Le Mans) 16: 222 (1906) (Spain) with oblong, obtuse, more or less glabrous and overlapping leaf-lobes, scapose stems and nearly glabrous receptacle.