EcoFlora - Arabidopsis lyrata subsp. kamchatica

Arabidopsis lyrata subsp. kamchatica (Fisch. ex DC.) O'Kane & Al-Shehbaz (redirected from: Arabis lyrata var. occidentalis S. Watson)
Family: Brassicaceae [Arabis lyrata subsp. kamchatica (Fisch. ex DC.) Hultén, more]	FNA Resources Cruciferae Jussieu, Ihsan A. Al-Shehbaz in Flora of North America (vol. 7) 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.
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