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| Rhynchospora capillacea Torr. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||
| Family: | Cyperaceae | ||||||||||||||
| Genus: | Rhynchospora | ||||||||||||||
| Species Synonyms: | Rhynchospora smallii Britt. Rhynchospora capillacea var. leviseta E.J. Hill ex Gray |
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| Common Names: | slender spikerush horned beakrush needle beaksedge needle beaked-rush slender beaked-rush hair-like beaked-rush |
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| DISTRIBUTION | |||||||||||||||
| Canada: | central Alberta – central Saskatchewan – southern Manitoba – Ontario – New Brunswick – Nova Scotia – Newfoundland | ||||||||||||||
| Saskatchewan: | central Saskatchewan; Big River – Armit | ||||||||||||||
| Ecoregion: | Aspen Parkland, Boreal Transition, Mid-Boreal Upland | ||||||||||||||
| HABITAT | |||||||||||||||
| Saskatchewan: | calcareous bogs in southern boreal forests | ||||||||||||||
| Associated Species: | Carex limosa, Carex scirpoidea, Carex sterilis, Carex viridula, Drosera anglica, Eleocharis quinqueflora, Eriophorum angustifolium, Gentianopsis macounii, Lobelia kalmii, Muhlenbergia glomerata, Parnassia glauca, Symphyotrichum boreale, Tofieldia glutinosa, Trichophorum caespitosum, Triglochin palustre | ||||||||||||||
| RARITY STATUS | |||||||||||||||
| Provincial
Status According to Harms (2003): |
Threatened |
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| Nature Conservancy Status: | G5 S2 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Rhynchospora capillacea is threatened in Saskatchewan because it is rare or uncommon. This species is regionally restricted and local population sizes vary. No immediate threats are known at the present time. | |||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||
| Height: | 10 – 40 cm | ||||||||||||||
| Roots: | rhizomes stoloniferous, slender; roots fibrous | ||||||||||||||
| Culms: | erect or curved, filiform, leafy | ||||||||||||||
| Leaves: | ascending, usually shorter than stem, upper leaf may exceed inflorescence, 1 – 4 mm wide, filiform, apex setaceous, margin involute | ||||||||||||||
| Inflorescence: | clusters of spikelets 1 or 2, terminal, ellipsoid or ovoid, < 1 cm wide; bracts foliaceous | ||||||||||||||
| Spikelets: | 2 – 10 per cluster, erect or ascending, sessile or nearly so, 6 – 7 mm long, fusiform; scales pale red brown to brown, to 4 mm long, lower scales sterile | ||||||||||||||
| Flowers: | 1 – 4 per spikelet; perianth bristles 6, equal to or shorter than achene, retrorsely barbellate; stamens 3 | ||||||||||||||
| Achenes: | stipitate, ellipsoid, lenticular, pale brown; tubercle narrowly triangular, flattened | ||||||||||||||
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