''Carex amplifolia'' is a species of

sedge The Cyperaceae () are a family of graminoid (grass-like), monocotyledonous flowering plants known as wikt:sedge, sedges. The family (biology), family is large; botanists have species description, described some 5,500 known species in about 90 ...

known by the common name bigleaf sedge. It is native to western North America from

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, where it grows in wet and seasonally wet areas in

coniferous forests Conifers () are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All e ...

Description

This

rhizomatous 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 ...

sedge produces stems 50 to 100 centimeters tall. The winged stems have reddish tinted bases and are wrapped in long, roughly hairy leaves up to 2 centimeters wide. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

is made up of 5 to 8 cylindrical spikes each up to 10 or 14 centimeters long and often made up of hundreds of individual flowers.

External links

Jepson Manual Treatment - ''Carex amplifolia''USDA Plants Profile; Carex amplifoliaFlora of North America''Carex amplifolia'' - Photo gallery
amplifolia Flora of British Columbia Flora of the Northwestern United States Flora of California Flora of Nevada Flora of New Mexico Plants described in 1839 Flora without expected TNC conservation status {{Carex-stub