Arabidopsis lyrata subsp. kamchatica(Fisch. ex DC.) O'Kane & Al-Shehbaz
No occurrences found
Family: Brassicaceae
Kamchatka rockcress
[Arabis kamchatica (Fisch. ex DC.) Ledeb., moreArabis lyrata subsp. kamchatica (Fisch. ex DC.) Hultén, Arabis lyrata var. glabra (DC.) M. Hopkins, Arabis lyrata var. kamchatica Fisch. ex DC., Cardaminopsis kamchatica (Fisch. ex DC.) O.E. Schulz]
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. Flowering Jun-Jul. Gravelly slopes, forests, gravel bars, high-elevation scree and talus, roadsides; 50-2000 m; 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.