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Plant: Perennial from rhizomes, aromatic; stem 1-5(8) dm, puberulent to short-hairy Leaves: 1.5-5(8) cm; lower short-petioled; cauline generally subsessile; blade ovate to elliptic, base tapered, tip generally acute, crenate to serrate, lower surface (especially veins) short-hairy INFLORESCENCE: axillary cymes, each head-like, subtended by spreading leaves; bracts minute or 0 Flowers: calyx 1.5-3 mm, short-hairy, ± radial, generally 10-veined; corolla 4-7 mm, white, pink, or violet, ± 2-lipped, lips generally equal, upper lip notched, lower lip 3-lobed; stamens 4, > corolla lobes, ± equal Fruit: Fruit: nutlets 4, generally ovoid to oblong, smooth Misc: Moist areas, streambanks, lake shores; < 2400 m.; Jul-Oct