Carex atrofusca, the dark brown sedge or scorched alpine sedge, is a species of

sedge The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus '' Carex'' ...

with a

circumpolar Circumpolar may refer to: * Antarctic region ** Antarctic Circle ** the Antarctic Circumpolar Current ** Subantarctic ** List of Antarctic and subantarctic islands ** Antarctic Convergence ** Antarctic Circumpolar Wave ** Antarctic Ocean * Arctic ...

or circumboreal distribution in the northern hemisphere.

Description

Carex atrofusca is a perennial cespitose loosely tufted sedge approximately 6–30 cm high. Sheaths present and persisting, brown - yellowish brown. Leaves are 3–4 mm in with approximately half as long as flowering stems. It is

monoecious Monoecy (; adj. monoecious ) is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant. It is a monomorphic sexual system alongside gynomonoecy, andromonoecy and trimonoecy. Monoecy i ...

, with 2-4 spikes, top most one male and 1-3 female spikes nodding.

References

{{Taxonbar, from=Q1025273 atrofusca Flora of Europe Flora of North America Plants described in 1801 Flora of Greenland