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Aquilegia pubescens

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Aquilegia pubescens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Ranunculaceae
Genus: Aquilegia
Species:
A. pubescens
Binomial name
Aquilegia pubescens

Aquilegia pubescens is a high-altitude species of columbine known by the common names Sierra columbine, alpine columbine and Coville's columbine. Its flowers are large and usually a creamy white.

Distribution

This wildflower is endemic to California, where it is a resident of the High Sierra. It is found in alpine and subalpine climates, often on open, rocky slopes, between 8,000 and 12,000 ft.[1]

Description

This leafy columbine rarely reaches half a meter-1.5 feet in height. The showy flowers are erect or spreading, rather than drooping. The characteristic spurs may be up to 5 centimeters long and the flowers up to 5 cm wide. The sepals (outer ring) and the petals (inner, with spurs) are generally cream or white, less often pink or yellow. The round, fused mouth protrudes, enclosing a cluster of long yellow stamens.[1]

Hybrids

Aquilegia pubescens (Sierra columbine) can hybridize with the lower-elevation Aquilegia formosa (crimson columbine) where their ranges overlap. This produces flowers with intermediate color, spur length, and orientation, as shown in the transition-series image, providing a change also in pollinator species: hawkmoths for A pubescens and hummingbirds for A. formosa.[2]

Gallery

Transition of hybrid forms between the white A. pubescens and the red-&-yellow A. formosa

References

  1. ^ a b Bruce G. Baldwin; et al. (2012). The Jepson Manual, Vascular Plants of California (2nd ed.). University of California Press. ISBN 9780520253124.
  2. ^ Elizabeth Wenk (2015). Wildflowers of the High Sierra and John Muir Trail. Wilderness Press. ISBN 9780899977386.

External links