EcoFlora - Armoracia lacustris

Armoracia lacustris (A. Gray) Al-Shehbaz & V.M. Bates
Family: Brassicaceae	Gleason & Cronquist Resources Vascular plants of NE US and adjacent Canada Fibrous-rooted perennial; stems commonly submersed; submersed lvs pinnately dissected into numerous filiform segments; emersed lvs, if any, lanceolate to narrowly oblong, 3-7 cm, dentate; pet 6-8 mm; mature pedicels divaricate, 1 cm; frs rarely maturing, ellipsoid or somewhat obovoid, 5-8 mm, unilocular; persistent style slender, 2-4 mm. In quiet water, or also on muddy shores; Que. to Minn., s. to Fla. and Tex. May-Aug. (A. aquatica; Neobeckia a.; Radicula a.) Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
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