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The stem of <I>Aquilegia alpina</I> is nearly one foot tall. The plant has two to five flowers. The flowers are blue, rarely pale or white.

Aquilegia Alpina

The stem of Aquilegia alpina is nearly one foot tall. The plant has two to five flowers. The flowers…

Aquilegia is known as Columbine. The caerulea variety has several blue and white flowers on each stem. The flowers are usually tinited with lilac or red. This flower grows in the Rocky Mountains.

Aquilegia Caerulea Flowers

Aquilegia is known as Columbine. The caerulea variety has several blue and white flowers on each stem.…

The flowers of aquilegia canadensis are red mixed with yellow. The flowers are less than one inch in diameter. The flower grows between April and June.

Aquilegia Canadensis Habit and Flower

The flowers of aquilegia canadensis are red mixed with yellow. The flowers are less than one inch in…

The common name of aquilegia canadensis is common columbine. The plant grows one to two feet tall. There are several flowers to a stem. The flowers are yellow tinted with red.

Aquilegia Canadensis

The common name of aquilegia canadensis is common columbine. The plant grows one to two feet tall. There…

Pictured are radical leaves of aquilegia canadensis, common name common columbine. The leaves are one to two inches and have three divisions.

Radical Leaves of Aquilegia Canadensis

Pictured are radical leaves of aquilegia canadensis, common name common columbine. The leaves are one…

<I>Aquilegia chrysantha</I> grows between three and four feet tall. There are many flowers on the plant. The flowers are two to three inches across and are yellow tinted with red.

Aquilegia Chrysantha

Aquilegia chrysantha grows between three and four feet tall. There are many flowers on the plant. The…

The sepals, or outer part of the aquilegia glandulosa flower, are a bright lilac blue. The petals are white.

Aquilegia Glandulosa Flower

The sepals, or outer part of the aquilegia glandulosa flower, are a bright lilac blue. The petals are…

<I>Aquilegia glandulosa</I> is one to three flowered. The flowers are large and nodding. The flowers are lilac-blue topped with creamy white.

Aquilegia Glandulosa

Aquilegia glandulosa is one to three flowered. The flowers are large and nodding. The flowers are lilac-blue…

The <I>Aquilegia longissima</I> plant is tall and covered in silky hairs. The flowers are pale yellow. The leaflets are deeply lobed and cut.

Aquilegia Longissima

The Aquilegia longissima plant is tall and covered in silky hairs. The flowers are pale yellow. The…

The flowers of aquilegia olympica are large and mauve blue. The petals are white and are much shorter than the sepals.

Aquilegia Olympica Habit and Flower

The flowers of aquilegia olympica are large and mauve blue. The petals are white and are much shorter…

The aquilegia sibirica flower is bright lilac with very blunt sepals. The limb of the petals are sometimes white. This flower grows in Siberia.

Aquilegia Sibirica Flore-Pleno Habit and Flower

The aquilegia sibirica flower is bright lilac with very blunt sepals. The limb of the petals are sometimes…

A common wild columbine

Columbine

A common wild columbine

Pictured are various forms of nectaries. Left, the nectar spurs of <i>linaria vulgaris</i>; the cushion-like nectaries in a grape flower; nectaries of columbine; right, the nectar scales on petals of ranunculus.

Nectaries

Pictured are various forms of nectaries. Left, the nectar spurs of linaria vulgaris; the cushion-like…

A separate pod of the Wild Columbine, (Gray, 1858).

Pod

A separate pod of the Wild Columbine, (Gray, 1858).

The five pods of the Wild Columbine opening, (Gray, 1858).

Pod

The five pods of the Wild Columbine opening, (Gray, 1858).