Colorado Larkspur (Delphinium alpestre)
Description
Perennial herb 5-25 cm tall; leaves all on stem, but crowded near base, petioles 1-10 cm long, blades 2-5 cm long and about as wide, palmately divided into 5 main lobes, each lobe further dissected into smaller lobes; inflorescence a raceme of 2-8 flowers; sepals dull blue or dull blue tinged with brown, especially on the back, spreading or forward-pointing, 11-14 mm long, the upper sepal extended basally into a spur 8-12 mm long; lower petal blades cleft, 4-6 mm long. Flowers July to September.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Ranunculales
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Family: Ranunculaceae
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Genus: Delphinium
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