Aquatic and Wetland Vascular Plants of the Northern Great Plains
Stachys L. -- Hedge-nettle
Stout, erect, rhizomatous perennials. Leaves sessile or short-petioled, the blades ovate-lanceolate to elliptic or oblong-lanceolate, crenate-serrate, reduced to bracts in the inflorescence. Flowers somewhat showy, pink to lavender, in terminal, interrupted spikes, appearing whorled in rather evenly spaced clusters; calyx nearly regular, with 5 equal or subequal, lance-triangular to lance-subulate teeth, the teeth ca. 1/3 to 1/2 the length of the calyx; corolla whitish to pink with purplish spots or mottling, distinctly 2-lipped, the upper lip concave, entire to emarginate, the lower lip spreading or deflexed, 3-lobed; stamens 4, ascending under the upper lip. Nutlets dark brown, ovoid, ca. 2 mm long, loosely enclosed by the persistent calyx.
Reference:
Epling, C. 1934. Preliminary revision of American Stachys. Feddes
Repert. Spec. Nov. Regni Veg. Bxeich. 80:1-75.
| Lead | Characteristic | Go To |
| 1 | Stems pubescent on the sides as well as on the angles. | S. palustris |
| 1 | Stems glabrous or pubescent with retrorse bristles only on the angles. | S. tenuifolia |
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