Boechera gunnisoniana

Boechera gunnisoniana, or Gunnison's rockcress, is a perennial herb of the family Brassicaceae (the mustards). It grows on windswept ridges as well as on stoney hillsides in west-central Colorado. The plant has many slender, erect stems which may reach a height of 15 cm. Flowering time is from May to June.

Boechera gunnisoniana
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Boechera
Species:
B. gunnisoniana
Binomial name
Boechera gunnisoniana
Synonyms[1]

Arabis gunnisoniana Rollins

According to chromosome counts,[2] this species is diploid (n=7 as in all Boechera species) which probably reproduces sexually.

References
  1. W. A. Weber 1982. New names and combinations, principally in the Rocky Mountain flora -- 2. Phytologia 51(6):369–376.
  2. Rollins, R. C. 1941. A monographic study of Arabis in western North America. Rhodora 43:289-325, 347-411, 425-481.


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