familyBrassicaceae
genusArabidopsis
speciesArabidopsis lyrata
subspeciesArabidopsis lyrata subsp. kamchatica
Arabidopsis lyrata subsp. kamchatica
Novon 7: 326. 1997.
Basionym: Arabis lyrata var. kamchatica Fischer ex de Candolle
Synonyms: Arabis ambigua var. glabra de CandolleArabis ambigua var. intermedia de CandolleArabis kamchatica (S. Watson) A. NelsonArabis lyrata var. glabra (de Candolle) M. HopkinsArabis lyrata var. intermedia (de Candolle) FarwellArabis lyrata subsp. kamchatica (Fischer ex de Candolle) HulténArabis lyrata var. occidentalis S. WatsonArabis occidentalis unknownCardaminopsis kamchatica unknown
Revision as of 23:18, 26 July 2019 by FNA>Volume Importer
Biennials or perennials; caudex unbranched or with a root crown, often slender. Basal leaves: (petiole often glabrous); blade margins lyrate or lyrate-pinnatifid, terminal lobes distinct, (surfaces glabrous or sparsely pubescent). Petals (4–)5–5.5(–6) mm. Fruits 1.2–1.5(–1.8) mm wide; style 0–0.5 mm. 2n = 16, 32.
Phenology: Flowering Jun–Jul.
Habitat: Gravelly slopes, forests, gravel bars, high-elevation scree and talus, roadsides
Elevation: 50-2000 m
Distribution
Alta., B.C., N.W.T., Sask., Yukon, Alaska, Wash., ne Asia.
Discussion
G. A. Mulligan (1996) treated subsp. kamchatica as a species of Arabis; R. C. Rollins (1993) treated it as a variety of A. lyrata.
Selected References
None.
Lower Taxa
None.