Stachys tenuifolia smooth hedge-nettle Lamiaceae STTE; Bx, pb; Q, j; R;


Stachys modified from (Accessed 4/2014).

Stachys tenuifolia is a perennial herb, colonial from rhizomes, stems to 1 m, usually unbranched, mostly hairless, 4-sided. 

Leaves opposite, oblong to widest above middle, to 15 cm long, tip long-pointed, margin blunt-toothed, base blunt to slightly lobed, stalks of main leave to 2.5 cm long. 

Flowers rose-purple (Newcomb 1977), tubular, ca 1 cm long, irregular, strongly 2-lipped, upper lip rounded, slightly hood-shaped, lower lip 3-lobed, calyx nearly regular tube to 0.45 cm, lobes narrow to 0.35 cm, curving outward. 

Fruit dry nutlets, hairy; blooms June-Sept. 

Wetland status: FACW+. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Moist soil, shady habitats, wet meadows.