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| Delphinium glaucum S. Wats. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||
| Family: | Ranunculaceae | ||||||||
| Genus: | Delphinium | ||||||||
| Species Synonyms: | Delphinium brownii Rydb. Delphinium scopulorum auct. non Gray Delphinium scopulorum var. glaucum (S. Wats.) Gray |
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| Common Names: | tower larkspur tall larkspur |
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| DISTRIBUTION | |||||||||
| Canada: | Yukon – western and southeastern Mackenzie District, south to British Columbia – southwestern Alberta – west-central Saskatchewan, east-central Manitoba | ||||||||
| Saskatchewan: | west-central and eastern Saskatchewan | ||||||||
| Ecoregion: | Aspen Parkland, Boreal Transition, Mid-Boreal Upland | ||||||||
| HABITAT | |||||||||
| Saskatchewan: | open aspen woods and clearings | ||||||||
| Canada: | meadows and streambanks | ||||||||
| RARITY STATUS | |||||||||
| Provincial
Status According to Harms (2003): |
Threatened |
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| Nature Conservancy Status: | G5 S2 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Delphinium glaucum is threatened because of rarity in Saskatchewan. It is regionally restricted to a few locations in the province and most local populations are small. Possible threats have been identified for this species. | |||||||||
| SPECIES DESCRIPTION | |||||||||
| Height: | 100 – 200 cm | ||||||||
| Roots: | fibrous | ||||||||
| Stems: | usually green, glabrous, glaucous, hollow | ||||||||
| Leaves: | cauline, 15 – 20, petiole 1 – 15 cm long, blade 2 – 11 cm long, 3 – 18 cm wide, round, 5 – 9-lobed, glabrous; ultimate lobes 5 – 9 mm long, 5 – 25 mm wide, narrow, apex tapered to mucronate; midcauline leaf lobes more than 3 times longer than wide | ||||||||
| Inflorescence: | raceme 40 – 90-flowered; pedicels 1 – 3 cm long, puberulent or glabrous; bracteoles 2 – 7 mm long, 2 – 6 mm from flowers, green to blue | ||||||||
| Flowers: | calyx bluish-purple to lavender, puberulent, lateral sepals forward pointing to spreading, spurs straight; upper corolla lobes white-edged, lower corolla lobes covering stamens, 4 – 6 mm long; stamens many | ||||||||
| Fruits: | follicles erect, 12 – 14 mm long, glabrous to puberulent; seeds wing-margined | ||||||||
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