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The Longspur columbine (Aquilegia longissima) belongs to Ranunculaceae (the Buttercup family). It is a perennial herb that is distributed in the south-central United States, Arizona and Texas. The height is about 60 to 90 cm, and the bluish green basal leaves are 2 times triternate compound. The leaflets are fan-shaped and split into two or three. From April to June, bright yellow flowers come on the tips of the stems. It has the longest spur in the genus Columbine, about 12 cm. In addition, the survival period is relatively short, 3 to 5 years.
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