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| Dichanthelium linearifolium (Scribn. ex Nash) Gould | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||||||||||||||
| Family: | Poaceae | ||||||||||||||||||||||||||
| Genus: | Dichanthelium | ||||||||||||||||||||||||||
| Species Synonyms: | Panicum werneri Scribn. Panicum strictum var. linearifolium (Scribn. ex Nash) Farw. Panicum strictum var. perlongum (Nash) Farw. Panicum perlongum Nash Panicum linearifolium Scribn. ex werneri (Scribn.) Fern. Dichanthelium linearifolium var. werneri (Scribn.) Mohlenbrock Dichanthelium perlongum (Nash) Freckmann Dichanthelium depauperatum var. perlongum (Nash) Boivin |
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| Common Names: | slimleaf panicgrass slimleaf rosettegrass slimleaf panicum |
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| DISTRIBUTION | |||||||||||||||||||||||||||
| Canada: | central Saskatchewan; southern Manitoba – Ontario – southern Quebec – Nova Scotia | ||||||||||||||||||||||||||
| Saskatchewan: | central Saskatchewan | ||||||||||||||||||||||||||
| Ecoregion: | Boreal Transition | ||||||||||||||||||||||||||
| HABITAT | |||||||||||||||||||||||||||
| Saskatchewan: | dry woods and sandy open places | ||||||||||||||||||||||||||
| RARITY STATUS | |||||||||||||||||||||||||||
| Provincial
Status According to Harms (2003): |
Endangered |
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| Nature Conservancy Status: | None |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Dichanthelium linearifolium is endangered in Saskatchewan because it is extremely rare and has only been confirmed in one location. The population is small and possible threats have been identified for this species. | |||||||||||||||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||||||||||||||
| Height: | 10 – 60 cm | ||||||||||||||||||||||||||
| Roots: | fibrous | ||||||||||||||||||||||||||
| Stems: | branched near base in autumn plants, slender, erect to drooping, upper nodes elongated, nodes bearded, internodes pubescent to glabrous | ||||||||||||||||||||||||||
| Leaves: | basal rosettes not well-differentiated; blades 2 – 4, upper and lower cauline leaves similar in shape, ascending, 5 – 20 cm long, 2 – 4 mm wide, usually exceeding the inflorescence, green to greyish-green, glabrous or densely pilose; sheaths longer than the internodes, papillose-pilose; ligule a fringe of hairs | ||||||||||||||||||||||||||
| Inflorescence: | panicle 5 – 10 cm, 2 – 6 cm wide, branches flexuous, ascending | ||||||||||||||||||||||||||
| Spikelets: | 12 – 70, 2 – 3 mm long, ellipsoid, sparsely pilose; lower florets sterile or staminate | ||||||||||||||||||||||||||
| Florets: | glumes to 1 mm long, lower 1 – 5-nerved, upper 5 – 11-nerved, not saccate, upper glumes and lemmas exceeding florets before flowering; lower lemmas similar to upper glumes, upper lemmas striate, chartaceous, indurate, shiny, glabrous; lower paleas sometimes absent, upper paleas striate; lodicules 2; anthers 3 | ||||||||||||||||||||||||||
| Fruits: | caryopsis | ||||||||||||||||||||||||||
| Other: | summer plants densely tufted, autumn plants with 6 – 15 reduced panicles hidden among basal leaves | ||||||||||||||||||||||||||
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