Arabis holboellii Hornem.
FamilyCruciferae — APG family: Brassicaceae
DescriptionStem simple, in lower part densely pubescent with fine, appressed, stellate hairs in the upper, glabrous; basal leaves entire, somewhat acute, canescent with fine, appressed, stellate hairs; pedicels strongly reflexed; petals pinkish; siliques linear, glabrous or sometimes finely pubescent, reflexed; style lacking.
EcologyDry places, open soil.
Most specimens belong to var. retrofracta (Graham) Rydb. (A. retrofracta Graham ), with densely pubescent to pannose basal leaves, pubescent upper cauline leaves, and narrow siliques (1-2 mm wide). Var. pendulocarpa (Nels.) Rollins (A. pendulocarpa Nels.), with basal leaves less than 3 mm broad and cauline leaves lacking auricles, occurs at Whitehorse.
Hultén's Flora About

This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.