''Cascadia nuttallii'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the saxifrage family,

Saxifragaceae Saxifragaceae is a family of herbaceous perennial flowering plants, within the core eudicot order Saxifragales. The taxonomy of the family has been greatly revised and the scope much reduced in the era of molecular phylogenetic analysis. The f ...

. It is the sole species in genus ''Cascadia''. It is an

annual Annual may refer to: * Annual publication, periodical publications appearing regularly once per year **Yearbook ** Literary annual * Annual plant * Annual report * Annual giving * Annual, Morocco, a settlement in northeastern Morocco * Annuals (b ...

native to the western United States, ranging from southwestern

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on ...

through

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 ...

to northwestern

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. It is a trailing herbaceous annual with stems 5 to 25 cm long. It grows from a

rhizome In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

.Michael S. Park & Patrick E. Elvander 2012
''Cascadia nuttallii''
Jepson eFlora. Retrieved 11 April 2024. It grows on wet shaded cliffs and ledges, generally above 700 meters elevation. In California it is limited to the

Klamath Ranges The Klamath Mountains are a rugged and lightly populated mountain range in northwestern California and southwestern Oregon in the western United States. As a mountain system within both the greater Pacific Coast Ranges and the California Coast R ...

, and its range extends northwards through the mountains of western Oregon to southwestern Washington.

References

{{Taxonbar, from=Q19414149, from2=Q17780656 Saxifragaceae Flora of California Flora of Oregon Flora of Washington (state) Plants described in 1896 Taxa named by John Kunkel Small Endemic flora of the United States Flora of the Klamath Mountains