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Ruellia humilis Nutt.
Fringeleaf wild petunia, Hairy ruellia, Low wild Petunia, Low ruellia
USDA Symbol: RUHU
USDA Native Status: Native to U.S.
Fringe-leaf wild petunia’s multi-branched stem may reach a height of 2 ft. but is usually less than a foot tall. The short internodes give the plant a compact, leafy, bushy appearance. Its showy flowers are petunia shaped and vary in color from lavender to purple.
Plant CharacteristicsDuration: Perennial Habit: Herb Root Type: Fibrous Leaf Retention: Deciduous Leaf Complexity: Simple Leaf Shape: Ovate Leaf Venation: Pinnate Leaf Pubescence:
Hirsute Leaf Margin: Entire Leaf Apex: Acute Leaf Base: Truncate Breeding System:
Flowers Bisexual Size Notes:
Erect or rarely decumbent. Leaf:
Flowers 3-7 cm long Fruit: Capsule
brownish to 15 mm Size Class:
Bloom InformationBloom Color: Purple
Bloom Time: May , Jun , Jul , Aug , Sep
AL , AR , FL , GA , IA , IL , IN , KS , KY , LA , MD , MI , MN , MO , MS , NC , NE , OH , OK , PA , TN , TX , VA , WI , WV Native Distribution:
PA to WI & e. KS, s. to w. NC, AL & TX Native Habitat:
Woodlands edge, Opening, Thickets USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Moist
CaCO3 Tolerance: Low
Conditions Comments: Growth habit is upright to somewhat sprawling. Wonderful addition to a wildflower planting. Blooms in the heat of summer if given a little extra water. Reseeds readily. Larval food plant for the Buckeye and several other butterfly species.
BenefitUse Ornamental: Perennial
garden, Blooms ornamental Conspicuous Flowers:
Butterflies Larval Host:
Buckeye Nectar Source:
Root Division Description: Stem
cutting taken in June or July and treated with hormone give the best results. Hold the rooted cuttings in a cold frame until spring. Seeds are produced in abundance but germination is low. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
Maintain moist soil, Fertilize in spring with rose food
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Record Modified: 2012-12-09
Research By: NPIS, JSC