Verbena rigida

tuber vervain, tuberous vervain
Family

Verbenaceae

Leaf Arrangement

opposite

Leaf Attachment

sessile

Leaf Margin

serrate

Leaf Type

simple

Leaf Shape

oblong, lanceolate, oblanceolate, obovate

Growth Form

forb

Flower Color

pink, purple

Flower Month

March - October

Height (meters)

0.2 - 0.7

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

introduced

Lifespan

perennial

Growing Season

Warm season


Prairie Coefficient of Conservatism

-1

Cultural Information

Easily propagated by stem cuttings taken anytime during the growing season. Seed germination is improved by cold/moist or cold/dry stratification (Steffen 1997).

Animal Use

Considered a good nectar plant by Ajilvsgi (1990). The following information is for the genus Verbena: Animals that eat its seeds: Stilt sandpiper, Lark bunting, Cardinal, Junco, Field sparrow, Song sparrow, Swamp sparrow, Tree sparrow, White-crowned sparrow. Animals that the plant: Cottontail rabbit (Martin et al. 1951).

Natural History

A cultivated ornamental, from Brazil and Paraguay, that is now naturalized in pastures, prairies, and roadsides, where it is often very showy.

Habitat

Pastures, prairies and roadsides in most of Louisiana and east Texas.