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Find out if ranunculus are perennials where you live, and how to protect the corms from winter cold.
Ranunculus / r æ ˈ n ʌ ŋ k j ʊ l ə s / [3] is a large genus of about 1750 species [1] [2] of flowering plants in the family Ranunculaceae. Members of the genus are known as buttercups , spearworts and water crowfoots .
Ranunculaceae (/ r ə n ʌ ŋ k j uː ˈ l eɪ s i ˌ aɪ,-s iː ˌ iː /, buttercup or crowfoot family; Latin rānunculus "little frog", from rāna "frog") is a family of over 2,000 known species of flowering plants in 43 genera, [2] distributed worldwide.
Ranunculus asiaticus, the Persian buttercup, is a species of buttercup native to the eastern Mediterranean region, southwestern Asia, southeastern Europe (Crete, Karpathos and Rhodes), and northeastern Africa. [1] It is a herbaceous perennial plant growing up to 45 cm tall, with simple
Ranunculus peduncularis is a perennial herbaceous plant of 10–50 cm (3.9–19.7 in) high, that grows in tufts from a rhizome. Its leaves are round, 6–8 cm in diameter, deeply incised to compound into three leaflets, each one of them two to three-lobed, with petioles of up to 20 cm (7.9 in) long.
Ranunculus lappaceus, commonly known as the common buttercup, Australian buttercup or Yarrakalgamba, [1] is found across eastern Australia. [2] Like buttercups elsewhere, it is a perennial herb with yellow flowers appearing in spring and summer. James Edward Smith described it in 1815, and it still bears its original name. [1]
Ranunculus adoneus is a native species that is found only in the Rocky Mountains around the limit of snow where it is quite common. [5] It is a long-lived perennial that is found at elevated meadows in alpine environments. The plants emerge at the edge of the melting snow and flower within a few days.
Ranunculus auricomus is a perennial herb which is characteristic of deciduous woodland growing over base rich soils such as those underlain by chalk or limestone. In addition it has been recorded growing among scrub, along roadsides and in churchyards, and infrequently on open moorland in locations which are sheltered by boulders and on sheltered mountain ledges. [6]