Rhynchospora fusca (L.) Ait. f. | Species Image Gallery (opens in a new window) |
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TAXONOMY | |||||||||||||||
Family: | Cyperaceae | ||||||||||||||
Genus: | Rhynchospora | ||||||||||||||
Species Synonyms: | none | ||||||||||||||
Common Names: | brown beaksedge sooty beaked-rush brown beaked-rush |
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DISTRIBUTION | |||||||||||||||
Canada: | northwestern Saskatchewan, Ontario – New Brunswick – Newfoundland – Nova Scotia | ||||||||||||||
Saskatchewan: | northwestern Saskatchewan; Lake Athabasca – Cluff Lake | ||||||||||||||
Ecoregion: | Athabasca Plain | ||||||||||||||
HABITAT | |||||||||||||||
Saskatchewan: | sandy and peaty soil near ponds and in bogs | ||||||||||||||
Associated Species: | Triglochin maritima, Utricularia cornuta, Utricularia intermedia | ||||||||||||||
RARITY STATUS | |||||||||||||||
Provincial
Status According to Harms (2003): |
Endangered |
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Nature Conservancy Status: | G4G5 S1 |
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Saskatchewan
Species at Risk Status: |
None |
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COSEWIC Status: | None |
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Rhynchospora fusca is endangered in Saskatchewan because it is rare. This species is regionally restricted and local population sizes vary. No immediate threats are known at the present time. | |||||||||||||||
SPECIES DESCRIPTION | |||||||||||||||
Height: | 10 – 50 cm | ||||||||||||||
Roots: | rhizomes stoloniferous, slender | ||||||||||||||
Culms: | erect or curved, filiform, terete, leafy | ||||||||||||||
Leaves: | ascending, shorter than stem, filiform, < 1.5 mm wide, apex setaceous | ||||||||||||||
Inflorescence: | clusters of spikelets 1 or 2, distant, hemispheric to globose; bracts leafy, exceeding inflorescence | ||||||||||||||
Spikelets: | scales reddish-brown to deep red, fertile scales often awned | ||||||||||||||
Flowers: | perianth bristles 6, shorter than or equal to achene, antrorsely barbellate | ||||||||||||||
Achenes: | 2 per spikelet, lenticular, pale to deep brown, margins narrow, lustrous; tubercle trigonous | ||||||||||||||
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