Verbena hastata blue vervain Verbenaceae VEHA; Bx, pb; Q, j, wl; K, p; R, gr, t, v;

 

Verbena hastata.Donald Cameron.New England Wild Flower society.gobotany.newenglandwild.org

Verbena hastata.Donald Cameron.New England Wild Flower society.gobotany.newenglandwild.org (Accessed 4/2014).

Verbena hastata is a perennial herb, to 1.5 m tall, often several stems from base, branches opposite, upper stem, hairy. 

Leaves opposite, to 18 cm long, lance-shaped, tip long-pointed, base sometimes lobed, margin coarsely toothed. 

Flowers blue, bilaterally symmetrical, tubular, ca 0.3 cm long, 0.4 cm across top, calyx 0.3 cm, hairy, irregularly 5-toothed; inflorescence of numerous, stiff, narrow spikes at top of plant. 

Fruit dry, nutlets, linear 0.2 cm long, blooms and fruits July-Sept. 

Wetland status: FACW+.

 Frequency in NYC: Infrequent. 

Origin: Native. 

Habitat: Wet, open areas or part shade, marshes, pond edges. 

Notes: Seeds eaten by some birds. Plants sometimes eaten by rabbits (Martin et al. 1951).