Carex chordorrhiza
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Carex chordorrhiza, commonly called creeping sedge or string sedge, is a species of perennial plant in the family Cyperaceae with Holarctic distribution growing in acidic bogs.
Growth form and classification
Carex chordorrhiza has an unusual growth habit, where prostrate stems produce new shoots the following year.[1] Using this means of growth, C. chordorrhiza can grow vegetatively by up to Script error: No such module "convert". per year. This habit is considered so distinct from all other Carex species that C. chordorrhiza is placed in its own section, Carex sect. Chordorrhizae,[1] although similar habits are seen in other species such as Carex limosa.[2]
Description
The culms of C. chordorrhiza are Script error: No such module "convert". long, and are initially erect. As they mature, the stems become prostrate and can reach a length of Script error: No such module "convert"..[3] The inflorescences are Script error: No such module "convert". long and Script error: No such module "convert". wide.[3]
Distribution
The distribution of Carex chordorrhiza is circumpolar in boreal and subarctic areas.[4] It is found in Iceland, Scandinavia, northern Germany, Poland, northern Russia, and in North America from Alaska to Greenland,[5][6] and occurs more patchily as far south as Indiana and the Pyrenees.[4]
Within the British Isles, it is restricted to two sites in the Scottish Highlands, at the head of Loch Naver (near Altnaharra, West Sutherland) and in the Insh Marshes (Easterness & Nairns).[4]
References
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External links
- Carex chordorrhiza, Flora of the Canadian Arctic
- Carex chordorrhiza, Cyperaceae of the Canadian Arctic Archipelago
- Carex chordorrhiza, Flora of Michigan