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| Trichophorum clintonii (Gray) Sm. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||||||||
| Family: | Cyperaceae | ||||||||||||||||||||
| Genus: | Trichophorum | ||||||||||||||||||||
| Species Synonyms: | Scirpus clintonii Gray Baeothryon clintonii (Gray) A. &D. Löve |
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| Common Names: | Clinton’s bulrush | ||||||||||||||||||||
| DISTRIBUTION | |||||||||||||||||||||
| Canada: | central and eastern Alberta – west-central Saskatchewan, Ontario – New Brunswick | ||||||||||||||||||||
| Saskatchewan: | west-central Saskatchewan; south of Meadow Lake | ||||||||||||||||||||
| Ecoregion: | Boreal Transition | ||||||||||||||||||||
| HABITAT | |||||||||||||||||||||
| Saskatchewan: | moist sandy open woods | ||||||||||||||||||||
| Associated Species: | arctic blackberry, dwarf red raspberry | ||||||||||||||||||||
| RARITY STATUS | |||||||||||||||||||||
| Provincial
Status According to Harms (2003): |
Endangered |
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| Nature Conservancy Status: | G4 S1 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Clinton’s bulrush is endangered in Saskatchewan because it is rare and highly regionally restricted in the province. Local population sizes vary and are threatened by planned developments. | |||||||||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||||||||
| Height: | 10 – 30 cm | ||||||||||||||||||||
| Roots: | rootstocks short | ||||||||||||||||||||
| Stems: | densely tufted, base with persistent leaf sheaths and remnants of old leaves and stems, three-angled, rough on angles, very slender | ||||||||||||||||||||
| Leaves: | lower sheaths orange to dark brown, blade lacking or small; leaves basal or sub-basal, blade 1.5 – 25 cm long, may equal stem, much shorter than stem in fruit, < 1 cm wide | ||||||||||||||||||||
| Inflorescence: | spikelet solitary, terminal; bracts (or outermost scale) 3 – 6 mm long, shorter than or equal to spikelet, tip with a short, abrupt point | ||||||||||||||||||||
| Spikelets: | 3 – 7-flowered, 4 – 5 mm long; inner scales acute to obtuse, orange-brown to dark brown | ||||||||||||||||||||
| Flowers: | perianth bristles 3 – 6, equalling or shorter than achenes, rounded, rough; stamens 3; styles 3-branched | ||||||||||||||||||||
| Fruits: | 1 – 2 mm long, egg-shaped, three-angled, smooth, scarcely beaked | ||||||||||||||||||||
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