Aquatic and Wetland Vascular Plants of the Northern Great Plains
41. Lamiaceae, the Mint Family
6. Stachys L. -- Hedge-nettle1. Stachys palustris L.
Plants (2)3-8 dm tall; stems simple or branched, hairy on the angles and short-pubescent on the sides, the short hairs glandular in the inflorescence. Leaves sessile or short-petioled, the blades ovate-lanceolate to lanceolate or elliptic, 4-13 cm long, 2-5 cm wide, softly pubescent on both surfaces, acute to acuminate, finely crenate-serrate, rounded to truncate or subcordate at the base. Calyx 5-8 mm long, covered with stout eglandular hairs and shorter glandular ones; corolla 9-13 mm long. Jun--Jul. Marshes, wet meadows, ditches, shores, stream banks, and other wet or moist places; common; (Circumboreal, s in N.Amer. to NY, IL, MO, OK, NM and AZ).
American plants belong to subsp. pilosa (Nutt.) Epling.
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