Arabis glabra (L.) Bernh.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Brassicaceae
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Scientific Name
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Description
Species Description - Biennial or short-lived perennial 3–15 dm; stem commonly hirsute below with mostly simple (sometimes bifurcate) hairs, glabrous and glaucous above; lower lvs commonly with Y-shaped hairs; cauline lvs overlapping below, more remote above, all lanceolate or lance-oblong, auriculate-clasping, usually glabrous and glaucous; pet 3–6 mm; style 1–1.5 mm; mature pedicels erect, 7–16 mm; frs erect, subterete, 5–9 cm × 0.8–1.3 mm, the valves with prominent midnerve reaching nearly or quite to the tip; seeds in 2 rows in each locule, angular, very narrowly winged; 2n=12. Usually in dry soil; circumboreal, in Amer. s. to N.C., Ark., Kans., N.M., and Calif. May, June.
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Common Names
tower-mustard