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Buttercups usually flower in the spring, but flowers may be found throughout the summer, especially where the plants are growing as opportunistic colonizers, as in the case of garden weeds. The water crowfoots ( Ranunculus subgenus Batrachium ), which grow in still or running water, are sometimes treated in a separate genus Batrachium (from ...
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 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 ...
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. The largest genera are Ranunculus (600 species), Delphinium (365), Thalictrum (330 ...
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 or branched stems.
Its common names include littleleaf buttercup, [1] small-flower crowfoot, [2] small-flowered buttercup, [3] and kidneyleaf buttercup. [4] It is widespread across much of North America , found in all ten Canadian provinces as well as Yukon and the Northwest Territories , and most of the United States , except Hawaii , Oregon , California , and ...
These include ragwort, foxglove, deadly nightshade, hemlock, and buttercups – with varying degrees of toxicity. There are also many poisonous trees, such as sycamore, yew, oak, privet, and laurel.
Ranunculus muricatus is a species of buttercup known by the common names rough-fruited buttercup [1] and spinyfruit buttercup. [2] It is native to Europe, but it can be found in many other places in the world, including parts of Africa, Australia, and the western and eastern United States, as an introduced species and agricultural and roadside weed.