''Potentilla villosa'' is a species of flowering plant in the rose family,

Rosaceae Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. Among the most species-rich genera are ''Alchemilla'' (270), ''Sorbus ...

. Its common names include villous cinquefoil, northern cinquefoil,''Potentilla villosa''.
NatureServe. 2012. and hairy cinquefoil.''Potentilla villosa''.
Lady Bird Johnson Wildflower Center. University of Texas at Austin. It is native to northwestern North America, where its distribution extends from

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

.''Potentilla villosa''.
USDA PLANTS. There are records from eastern Asia.''Potentilla villosa''.
In: Klinkenberg, B. (Ed.) 2013. E-Flora BC: Electronic Atlas of the Plants of British Columbia. University of British Columbia, Vancouver.

Habitat and ecology

This is a coastal plant.Elven, R. and D. F. Murray

''Botanical Electronic News'' 390. The University of Oklahoma. 12 March 2008. It occurs on coastal bluffs and beaches, and in meadows,

tundra In physical geography, tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. The term ''tundra'' comes through Russian (') from the Kildin Sámi word (') meaning "uplands", "treeless moun ...

, and

alpine Alpine may refer to any mountainous region. It may also refer to: Places Europe * Alps, a European mountain range ** Alpine states, which overlap with the European range Australia * Alpine, New South Wales, a Northern Village * Alpine National Pa ...

talus.''Potentilla villosa''.
Burke Museum. University of Washington.

Description

This is a rhizomatous perennial herb with a tuft of several hairy to woolly stems growing from a thick base covered in previous seasons' dead foliage. The stems are up to 20 to 30 centimeters tall. The thick, leathery basal leaves are compound, divided into three veiny, toothed leaflets with woolly to silky-haired undersides. There may be a few leaves higher on the stem which are nearly the same size. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

bears one to five flowers. The flower has a five-lobed calyx and five

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

lets at the base. The bowl-shaped corolla has five notched yellow petals each up to 1.2 centimeters long. Each petal is marked with an orange basal spot. There are usually 20

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s at the center. Flowering occurs in July through September. The fruit is an

achene An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...

, borne in clusters.

References

{{Taxonbar, from=Q7234860

villosa ''Villosa'' is a genus of freshwater mussels, aquatic bivalve molluscs in the family Unionidae The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simp ...

Flora of Western Canada Flora of the Western United States Taxa named by Frederick Traugott Pursh