Pycnanthemum virginianum Virginia mountain-mint Lamiaceae PYVI; Bx, br; R, bm, c;


Pycnanthemum virginianum.Eleanor

Pycnanthemum virginianum.© 2001 Eleanor (Accessed 4/2014).

Pycnanthemum virginianum is a perennial herb to 1 m tall, colonial from rhizomes, fragrant, stem branched above, hairy on angles. 

Leaves opposite, narrow, larger ones to 6 long,1 cm wide, margins rough, leaves of inflorescence much smaller, lateral veins 3-4 pairs. 

Flowers white, small, bilaterally symmetrical, tubular, 2-lipped, lower lip 3-lobbed, calyx densely wooly, lobes to 0.1 cm, in head-like clusters above bracts; blooming July-Sept. 

Fruit dry, 4 1-seeded nutlets.

Wetland status: FAC. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Open areas, upland woods, fields.