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| Dichanthelium linearifolium (Scribn. ex Nash) Gould | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||||||||||||||
| Family: | Anacardiaceae | ||||||||||||||||||||||||||
| 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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| Slimleaf panicgrass 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 hairy, internodes hairy to hairless | ||||||||||||||||||||||||||
| Leaves: | basal rosettes not well-differentiated; blades 2 – 4, upper and lower stem leaves similar in shape, ascending, 5 – 20 cm long, 2 – 4 mm wide, usually exceeding the inflorescence, green to greyish-green, hairless or densely long hairy; sheaths longer than the internodes, hairs with swollen bases; ligule a fringe of hairs | ||||||||||||||||||||||||||
| Inflorescence: | branched, 5 – 10 cm, 2 – 6 cm wide, branches flexuous, ascending | ||||||||||||||||||||||||||
| Spikelets: | 12 – 70, 2 – 3 mm long, ellipsoid, sparsely long-hairy; lower florets sterile or male | ||||||||||||||||||||||||||
| Florets: | glumes to 1 mm long, lower 1 – 5-nerved, upper 5 – 11-nerved, not sac-like, upper glumes and lemmas exceeding florets before flowering; lower lemmas similar to upper glumes, upper lemmas grooved, dry, hardened, shiny, hairless; lower paleas sometimes absent, upper paleas grooved; lodicules 2; anthers 3 | ||||||||||||||||||||||||||
| Fruits: | grain | ||||||||||||||||||||||||||
| Other: | summer plants densely tufted, autumn plants with 6 – 15 reduced inflorescences hidden among basal leaves | ||||||||||||||||||||||||||
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