Buttercup , ( genusRanunculus ) , genus of about 300 species of herbaceous flowering plants in the family Ranunculaceae . Buttercups are circulate throughout the world and are peculiarly common in woods and fields of the north temperate zone . Most butter-flower have tuberous or fibrous roots . The blossom are lone or loosely clump and have five green sepal , five to many glossy yellow ( sometimes snowy ) petals , and numerous manful and distaff social organization ( stamens and pistil ) .
buttercup are commonly considered widow’s weeds , although Persian buttercups ( Ranunculus asiaticus ) , which grow right in U.S. Department of Agriculture works hardiness zones 8 through 10 , are usually sold as nursery transplants or tubers .
While sensationalistic Buttercups ( Ranunculus spp . ) plant life are among the most vulgar , there are hatful of other buttercup peak out there , too in many shapes , sizes and semblance . . In fact , there are more than 400 plants in the Ranunculus genus , according to New World Encyclopedia . Some of these are known for being poisonous when ingested in large measure . They can also cause mild contact lens dermatitis , or skin irritation .
Standard - size sort spring up to about 2 feet tall , but midget variety show grow only 8 to 10 inches tall . Buttercup flowers are perennial plants , but they commonly do not flower until the second class of growth .
Most buttercup flowers know and bloom at least 10 years , although very few actually make it this long because buttercup is often considered a weed and killed by weed killer and other method of Mary Jane remotion . It grows wild in hay fields , often ignored by cows and other grazers who recognize its toxic characteristics . you may also grow buttercup flush in your garden , but there , they will frequently stop flowering after that same 10 - year menstruum .
Buttercup flowers procreate by both rhizomes and seed . In the late winter and early spring , buttercup leaves blow up in their increase . One plant life can put on up to 50 young buttercup leaves during this period .
Types of Buttercup (Ranunculus spp.)
Common Buttercup (Ranunculus acris)
Characteristics :
Creeping Buttercup (Ranunculus repens)
Bulbous Buttercup (Ranunculus bulbosus)
Meadow Buttercup (Ranunculus acris)
Origin : Temperate region of Europe and Asia .
