Arabidopsis lyrata subsp. kamchatica

(Fischer ex de Candolle) O’Kane & Al-Shehbaz

Novon 7: 326. 1997

Synonyms: Arabis ambigua var. glabra de Candolle Arabis ambigua var. intermedia de Candolle Arabis kamchatica (S. Watson) A. Nelson Arabis lyrata var. glabra (de Candolle) M. Hopkins Arabis lyrata var. intermedia (de Candolle) Farwell Arabis lyrata subsp. kamchatica (Fischer ex de Candolle) Hultén Arabis lyrata var. occidentalis S. Watson Arabis occidentalis unknown Cardaminopsis kamchatica unknown
Basionyms: Arabis lyrata var. kamchatica Fischer ex de Candolle
Treatment appears in FNA Volume 7. Treatment on page 450. Mentioned on page 449.
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


V7 684-distribution-map.gif

Alta., B.C., N.W.T., Sask., Yukon, Alaska, Wash., ne Asia.


G. A. Mulligan (1996) treated subsp. kamchatica as a species of Arabis; R. C. Rollins (1993) treated it as a variety of A. lyrata.



Lower Taxa

No lower taxa listed.