|Scientific Name||Verbena bracteata||USDA PLANTS Symbol||VEBR|
|Common Name||Bigbract Verbena, Prostrate Vervain||ITIS Taxonomic Serial No.||32085|
Life zones and habitat: Plains and foothills (3400 to 8000 ft); sandy soils in disturbed areas, roadsides, fields.
Plant: Prostrate (usually) annual, biennial, or occasionally perennial; usually several stems spreading from the base, each up to 20 inches long; 4-sided stems with short, bristly hairs.
Leaves: Opposite stem leaves on short petioles less than 0.6 inches long; blades are lanceolate to ovate-lanceolate overall, 0.4 to 1.6 inches long, pinnatifid or 3-lobed at the tip (2 narrow lateral lobes, one large central lobe); edges are dentate and the surfaces have short, bristly hairs.
Inflorescence: A whorl of small stalkless flowers around the tip of a thick spike at the end of branching stems; flowers 1/8-inch across with 5 light blue to purple to pink petals or lobes and a white throat; 2 upper lobes slightly smaller than the lower 3; narrow lanceolate to linear leaf-like bract, up to 3/4-inch long at the base of each flower; bracts and calyx are densely covered in stiff hairs; the spikes becoming longer, up to 8 inches, with flowers blooming at the tip and fruit forming below.
Bloom Period: May to September.
References: "Flora of Colorado" by Jennifer Ackerfield, Minnesota Wildflowers and SEINet
|BONAP Distribution Map |
Map Color Key
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County