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| Dichanthelium acuminatum var. fasciculatum (Torr.) Freckmann | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||||||||||||||
| Family: | Poaceae | ||||||||||||||||||||||||||
| Genus: | Dichanthelium | ||||||||||||||||||||||||||
| Species Synonyms: | Dichanthelium acuminatum var. implicatum
(Scribn.) Gould & C.A. Clark Dichanthelium lanuginosum (Ell.) Gould Dichanthelium lanuginosum var. fasciculatum (Torr.) Spellenberg Panicum acuminatum var. fasciculatum (Torr.) Lelong Panicum acuminatum var. implicatum (Scribn.) C.F. Reed Panicum brodiei St. John Panicum curtifolium Nash. Panicum glutinoscabrum Fern. Panicum huachucae Ashe Panicum huachucae var. fasciculatum (Torr.) F.T. Hubbard Panicum implicatum Scribn. Panicum languidum A.S. Hitchc. Panicum lanuginosum Ell., non Bosc ex Spreng. Panicum lanuginosum var. fasciculatum (Torr.) Fern. Panicum lanuginosum var. huachucae (Ashe) A.S. Hitchc. Panicum lanuginosum var. implicatum (Scribn.) Fern. Panicum lanuginosum var. tennesseense (Ashe) Gleason Panicum lassenianum Schmoll Panicum lindheimeri var. fasciculatum (Torr.) Fern. Panicum occidentale Scribn. Panicum pacificum A.S. Hitchc. & Chase Panicum subvillosum Ashe Panicum tennesseense Ashe |
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| Common Names: | western panicgrass hairy panicgrass tapered rosettegrass woolly panicgrass |
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| DISTRIBUTION | |||||||||||||||||||||||||||
| Canada: | southern Alberta – Saskatchewan – Ontario – Quebec – Nova Scotia | ||||||||||||||||||||||||||
| Saskatchewan: | widespread; Lake Athabasca – Amisk Lake – Roche Percee | ||||||||||||||||||||||||||
| Ecoregion: | Moist Mixed Grassland, Aspen Parkland, Churchill River Upland, Athabasca Plain, Tazin Lake Upland | ||||||||||||||||||||||||||
| HABITAT | |||||||||||||||||||||||||||
| Saskatchewan: | dry, sandy open woods and clearings and exposed rock outcrops | ||||||||||||||||||||||||||
| Associated Species: | Agrostis scabra, Amelanchier alnifolia, Carex foenea var. foenea, Danthonia spicata, Pinus banksiana, Populus tremuloides, Potentilla norvegica | ||||||||||||||||||||||||||
| RARITY STATUS | |||||||||||||||||||||||||||
| Provincial
Status According to Harms (2003): |
Vulnerable |
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| Nature Conservancy Status: | G5 T5 S2 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Dichanthelium acuminatum var. fasciculatum is vulnerable because it is rare or uncommon in Saskatchewan and most local populations are small. No threats are known or anticipated for this species at the present time. | |||||||||||||||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||||||||||||||
| Height: | 10 – 70 cm tall | ||||||||||||||||||||||||||
| Roots: | fibrous | ||||||||||||||||||||||||||
| Stems: | densely caespitose, ascending or spreading, nodes densely hairy, internodes purplish or olive to yellowish-green, distinctly papillose-pilose | ||||||||||||||||||||||||||
| Leaves: | basal rosettes well-differentiated; cauline leaves 4 – 7, 5 – 12 cm long, 5 – 12 mm wide, ovate to lanceolate, short papillose-pilose above; sheath pubescent, shorter than the internodes; ligule hairy, to 3 mm long | ||||||||||||||||||||||||||
| Inflorescence: | panicle 3 – 6 cm long, dense, rachis pilose | ||||||||||||||||||||||||||
| Spikelets: | 1.5 – 2 mm long, lower florets sterile | ||||||||||||||||||||||||||
| Florets: | glumes shorter than spikelets, subequal; sterile lemmas similar to glumes; fertile lemmas striate, chartaceous, indurate, shiny; fertile paleas striate | ||||||||||||||||||||||||||
| Fruits: | caryopsis | ||||||||||||||||||||||||||
| Other: | plants yellowish-green to purple; stems of autumn phase repeatedly branched and spreading, forming a dense cushion | ||||||||||||||||||||||||||
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