Verbena urticifolia L. - Hairy White Vervain


 

|  back  | forward |

Verbena urticifolia - (image 1 of 5)

 

Taxonomy

Family: Verbenaceae

 

Can hybridize with V. stricta (V. x illicita Moldenke) and with V. hastata (V. x engelmannii Moldenke)

Habitat

Degraded woodlands, shaded floodplains, thickets, meadows, moist fields. Along old logging roads and other artificial shaded habitats. I have most often found it growing at the edge of parking lots.

Associates

 

 Distribution

New Brunswick and Quebec west to ND, south FL to TX.

Morphology

Herbaceous annual or perennial to 1.5 m. Stem solitary but often branching from near the base. Leaves broadly lanceolate to oblong-ovate, petiolate, 5-12 cm, crenate-serrate. Spikes slender, forming a terminal panicle; bracts ovate, acuminate, ciliate; calyx with 5 short, unequal teeth; corolla white, the tube barely exserted, about 2 mm wide, with obtuse lobes. Fruit a nutlet, exposed at the top, 1-2 mm.

Notes

Flowers mid July to mid September

Wetland indicator: Upland

The specific epithet means "nettle-like foliage".

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


Home

 

 Michael Hough 2005