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Ranunculus is a genus of about 1,700 species of plants in the Ranunculaceae. [1] Members of the genus include the buttercups , spearworts and water crowfoots . Contents
The genus name Ranunculus is Late Latin for "little frog", the diminutive of rana. [13] This probably refers to many species being found near water, like frogs. [12] The common name buttercup may derive from a false belief that the plants give butter its characteristic yellow hue [citation needed] (in fact
Another fossil has been described with the name Teixeiraea, also from the Cretaceous of Portugal. [5] The genus Atli from the Late Cretaceous of Canada appears to have had a liana-like growth habit. [6] According to molecular clock calculations, the lineage that led to Ranunculales split from other plants about 132 Mya [7] or 140 Mya. [8]
Ranunculus adoneus, the alpine buttercup [2] or snow buttercup, is a species of flowering plant. It is an alpine buttercup from the family Ranunculaceae. This species is mainly found in the Rocky Mountains in Colorado and Wyoming but can also be found in Idaho, northern Utah and eastern Nevada. Its typical habitat is short grass meadows near ...
Ranunculus lanuginosus is an entomophilous species [2] that flowers between May and August. [5] This buttercup has yellow to orange flowers with darker middle area and five floral leaves in both corolla and calyx. [4] Each flower measures from 2 to 2.5 centimetres. [5] Calyx has hairy sepals.
Ranunculus allenii grows to about 9 to 20 cm (3.5 to 8 in) in length, and is a perennial herb that is caespitose (grows in dense clumps). The roots are filiform (very thin in diameter), approximately 0.2 to 0.8 mm thick. Ranunculus allenii grows from a caudex (a thick short stem at ground level), with trichomes that
Ranunculus acris is a species of flowering plant in the family Ranunculaceae, and is one of the more common buttercups across Europe and temperate Eurasia. Common names include meadow buttercup , [ 1 ] tall buttercup , [ 2 ] common buttercup and giant buttercup .
Ranunculus occidentalis, the western buttercup, [1] is a species of buttercup found in the western regions of North America. Its distribution extends from Alaska through British Columbia and Alberta to central California. [1] The flower can be seen in open meadows, forests, and other generally flat areas up to an elevation of 2,200 metres ...