Viola ×robinsoniana House
Robinson's Hybrid Violet
Violaceae (Violet family)
Synonym(s): Viola ×caesariensis
USDA Symbol: VIRO4
"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 CharacteristicsDuration: Perennial
Leaf Complexity: Simple
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).
DistributionUSA: 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).
BibliographyBibref 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 ReferenceWebref 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 resourcesUSDA: Find Viola ×robinsoniana in USDA Plants
FNA: Find Viola ×robinsoniana in the Flora of North America (if available)
Google: Search Google for Viola ×robinsoniana
MetadataRecord Modified: 2020-12-07
Research By: JAM