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Ranunculales is an order of flowering plants. Of necessity it contains the family Ranunculaceae, the buttercup family, because the name of the order is based on the name of a genus in that family. Ranunculales belongs to a paraphyletic group known as the basal eudicots.
The common name buttercup may derive from a false belief that the plants give butter its characteristic yellow hue [citation needed] (in fact it is poisonous to cows and other livestock). A popular children's game involves holding a buttercup up to the chin; a yellow reflection is supposed to indicate a fondness for butter. [14]
Creeping buttercup was sold in many parts of the world as an ornamental plant, and has now become an invasive species in many parts of the world. [3] Like most buttercups, Ranunculus repens is poisonous, although these poisons are lost when dried with hay. The taste of buttercups is acrid, so cattle avoid eating them. The plants then take ...
Ficaria verna (formerly Ranunculus ficaria L.), commonly known as lesser celandine or pilewort, [3] is a low-growing, hairless perennial flowering plant in the buttercup family Ranunculaceae. It has fleshy dark green, heart-shaped leaves and distinctive flowers with bright yellow, glossy petals.
Ranunculus hispidus is a species of perennial flowering plant in the buttercup family, Ranunculaceae. It is commonly known as bristly buttercup [2] or hispid buttercup. [3] It is a small plant native to central and eastern North America that grows to a height up to 30 cm (1 ft) and has 5-petaled yellow flowers.
Ranunculus arvensis, the corn buttercup [1] or field buttercup, [2] is a plant species in the family Ranunculaceae. Native to Europe, it can be found on other continents as an introduced species and sometimes a weed, including in North America and Australia. It was formerly a common annual arable weed in Britain, but is now rare there.
The honeynut squash is a pureline cultivar derived from a cross between the butternut (Cucurbita moschata) and buttercup squashes. [4] [5] The squash has the butternut's traditional bell shape but is smaller, darker-fleshed and skinned, and has a smooth, thin, edible skin. [6]
Ranunculus glaberrimus is a herbaceous perennial plant growing to 4–15 centimetres (1 + 1 ⁄ 2 –6 in) tall. The roots are clustered and fleshy. [4] The somewhat thick basal leaves are oval, with long petioles, ranging from entire to having three deep lobes. Cauline leaves have short petioles but are otherwise similar.