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| Bouteloua curtipendula var. curtipendula (Michx.) Torr. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||
| Family: | Poaceae | ||||||||
| Genus: | Bouteloua | ||||||||
| Species Synonyms: | Atheropogon curtipendulus (Michx.) Forum. Chloris curtipendula Michx. |
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| Common Names: | sideoats grama | ||||||||
| DISTRIBUTION | |||||||||
| Canada: | southeastern Saskatchewan – southern Manitoba, southwestern Ontario | ||||||||
| Saskatchewan: | southeastern Saskatchewan; Souris River Valley | ||||||||
| Ecoregion: | Moist Mixed Grassland, Aspen Parkland | ||||||||
| HABITAT | |||||||||
| Saskatchewan: | eroded or stony prairie slopes | ||||||||
| RARITY STATUS | |||||||||
| Provincial
Status According to Harms (2003): |
Vulnerable |
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| Nature Conservancy Status: | G5 S3 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Sideoats grama is vulnerable but apparently secure, with numerous localities in Saskatchewan. It is restricted to one subregion of the province but it is usually locally numerous within limited areas. No immediate threats are known but are possible in the future. | |||||||||
| SPECIES DESCRIPTION | |||||||||
| Height: | 30 – 70 cm | ||||||||
| Roots: | rhizomes long | ||||||||
| Stem: | solitary or in small clumps, erect, solid | ||||||||
| Leaves: | 2 – 30 cm long, 1 – 2 mm wide, flat, usually below smooth, rough on top; sheaths mostly hairless; ligules 0.3 – 0.5 mm, membranous | ||||||||
| Inflorescence: | branched, 13 – 30 cm long, one-sided, with 30 – 80 branches; branches reflexed, 1 – 3 cm long, deciduous as a unit | ||||||||
| Spikelets: | 2 – 7, appressed, all alike, 1 fertile floret with 2 sterile florets above, sterile florets smaller and consisting of a lemma and its central awn | ||||||||
| Florets: | glumes unequal, hairless or rough, purple-tinged, lower glumes 2 – 5 mm long, upper glumes 5 – 7 mm long; lemmas 3 – 6 mm long, hairless or rough hairy, 3-lobed, 3-nerved, purple-tinged; paleas acute; anthers red or red-orange | ||||||||
| Fruits: | grain | ||||||||
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