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Fringe-leaf ruellia

Also known as: prairie petunia, hairy ruellia

Ruellia humilis Nutt.

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Fringe-leaf ruellia
Fringe-leaf ruellia inflorescence
Fringe-leaf ruellia leaves
Fringe-leaf ruellia
Fringe-leaf ruellia flower
Fringe-leaf ruellia leaves
Fringe-leaf ruellia habit
Fringe-leaf ruellia
Fringe-leaf ruellia
Fringe-leaf ruellia
Fringe-leaf ruellia flower

Morphology

Stem
Erect, stout, branched, pubescent.
Leaves
Opposite, nearly sessile, ovate to lanceolate, 1 to 3 inches long, .5 to 1.5 inch wide, variously hairy; margins entire, fringed with hairs; tips mostly pointed.
Inflorescence
Solitary or clustered flowers in leaf axils.
Flower
5-parted; calyx lobes linear, long hairy, tips slender; corollas petunia-like, funnel-shaped, lavender to purplish, often with reddish lines inside, 1 to 3 inches long; stamens 4, in 2 groups; stigmas hook-shaped.
Fruit
Capsules, glabrous, brown; seeds flattened, reddish brown.

Ecology

Habitat
Dry soils of prairies, open woodlands and slopes of rocky hills.
Distribution
East half of Kansas.

Additional Notes

Comments

The flowers open at night and usually last only one day. They will also fall if the plant is shaken. Fringe-leaf ruellia is very drought resistant and is readily consumed by livestock.

Special Notes: See limestone ruellia
Quick Facts
Plant Type
Wildflower
Family
Acanthaceae - Acanthus Family
Life Span
Perennial
Height
4-20 inches
Last Updated
2018-02-22
Color Groups
Blue, Purple, Lavender & Violet Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July, August, September