Aquilegia grahamii

Aquilegia grahamii is a species of flowering plant in the buttercup family known by the common name Graham's columbine. It is endemic to Utah in the United States, where it is known only from Uintah County. It occurs in three canyons along the Uinta Mountains. There are an estimated 5,000 to 10,000 individuals.[2]

Aquilegia grahamii

Critically Imperiled  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Ranunculaceae
Genus: Aquilegia
Species:
A. grahamii
Binomial name
Aquilegia grahamii
S.L.Welsh & Goodrich
Synonyms[1]

Aquilegia micrantha var. grahamii (S.L. Welsh & Goodrich) N.H. Holmgren & P.K.Holmgren

Description

Aquilegia grahamii is a perennial herb growing 25 to 60 cm tall. Leaves are biternate (= with 3 groups of 3 leaflets), up to 24 long, glandular and sticky. Flowers number 6 or more, nodding (= hanging downward), yellow in the center with red to purple spurs. Blooming occurs in June and July.[2][3][4]

Ecology

Aquilegia grahamii occurs next to cliffs of sandstone. It is associated with Calamagrostis scopulorum.[2]

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References
  1. Tropicos
  2. Aquilegia grahamii, The Nature Conservancy.
  3. Welsh, Stanley Larson, & Goodrich, Sherel. 1993. New taxa and new nomenclatural combinations in the Utah flora. Rhodora 95(883–884): 392-421.
  4. Holmgren, Noel Herman, & Holmgren, Patricia Kern. 2012. Intermountain Flora 2(A): 68.


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