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Viola ×robinsoniana

Viola ×robinsoniana House

Robinson's Hybrid Violet

Violaceae (Violet family)

Synonym(s): Viola ×caesariensis

USDA Symbol: VIRO4

USDA Native Status: L48 (N)

"Aestival leaves ovate-oblong in general outline, acute or pointed, with one to three incised lobes on either side below the middle, clothed with minute soft pubescence; cleistogamous flowers intermediate between those of parent species; capsules somewhat dotted with brown, infertile." (Reslit: 2847). "Differing from V. sagittata in having wider pubescent leaf-blades more or less lobed near the middle, in having cleistogamous flowers with appressed ciliate auricles, and in having a brown-spotted summer capsule on much shorter peduncles; differing from V. triloba in having ovate-oblong leaves with coarsely toothed or incised basal lobes, and in having long slender cleistogamous flowers on ascending peduncles; in each case the difference being in the direction of qualities possessed by the other parent." (Bibref: 1797).

Hybrid progeny of Viola sagittata and V. triloba. (Webref: 27).

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Up to about 20 inches tall.
Leaf: "Aestival leaves ovate-oblong in general outline, acute or pointed, with one to three incised lobes on either side below the middle, clothed with minute soft pubescence ..." (Reslit: 2847).
Flower: "... cleistogamous flowers intermediate between those of parent species;" (Reslit: 2847).
Fruit: "... capsules somewhat dotted with brown, infertile." (Reslit: 2847).

Bloom Information

Bloom Color: White , Purple , Violet
Bloom Time: Mar , Apr , May

Distribution

USA: AR , CT , MA , NC , NH , NJ , NY , OK
Native Habitat: "Crevices of rocks in open woods with parent forms … pastures … moist woods under pines," (Reslit: 2847).

Bibliography

Bibref 17 - Audubon Backyard Birdwatcher: Birdfeeders and Bird Gardens (1999) Burton, R.; S. W. Kress
Bibref 951 - Muenscher's Keys to Woody Plants (2001) Cope, E. A.; W. C. L. Muenscher

Search More Titles in Bibliography

Web Reference

Webref 6 - Germplasm Resources Information Network - (GRIN) [Online Database] (2018) USDA, ARS, National Genetic Resources Program, National Germplasm Resources Laboratory, Beltsville, Maryland.
Webref 27 - USDA Plants Database (2018) USDA, NRCS.

Additional resources

USDA: Find Viola ×robinsoniana in USDA Plants
FNA: Find Viola ×robinsoniana in the Flora of North America (if available)
Google: Search Google for Viola ×robinsoniana

Metadata

Record Modified: 2020-12-07
Research By: Joseph A. Marcus

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