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Viola ×cooperrideri

Viola ×cooperrideri H.E. Ballard

Cooperrider's Hybrid Violet

Violaceae (Violet family)

Synonym(s):

USDA Symbol: VICO14

USDA Native Status: L48 (N)

"Perennial from a vertical or ascending stoloniform rhizome, crowns of in- dividual ramets connected by stout stolons to the main rhizome, proliferating weakly ascending or decumbent stems bearing the current year's growth." (Reslit: 2854).

Hybrid progeny of Viola striata and V. walteri. (Webref: 27). "a rare violet hybrid known from CT, VT." (Webref: 34).

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Leaf: "Cauline leaves at anthesis ovate, the median ones obtuse and the upper abruptly acutish at apex, shallowly to deeply cordate at base, basal leaves broadly ovate to reniform, rounded at apex, shallowly cordate at base, all crenate along margins. Stipules lance-ovate, lacerate to deeply laciniate with long processes. Foliage, especially stems, puberulent." (Reslit: 2854).
Flower: "Petals pale blue; lateral petals densely bearded; spur 3.0-5.5 (avg. 3.9) mm long, 22-38% (avg. 32%) of the entire spur petal length (=blade plus spur). Lateral sepals ciliolate, lance-linear, with conspicuous auricles 0.83-1.70 (avg. 1.05) mm long." (Reslit: 2854).

Bloom Information

Bloom Color: Blue
Bloom Time: Apr , May
Bloom Notes: "Petals pale blue." (Reslit: 2854).

Distribution

USA: ND , TN , WV
Native Distribution: Southern Appalachians and areas within the sympatric range of the parent species. (Reslit: 2854).
Native Habitat: Dry woods near floodplains. (Reslit: 2854).

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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.

Research Literature

Reslit 2854 - Three New Rostrate Violet Hybrids from Appalachia (1993) Harvey E. Ballard, Jr.

This information was provided by the Florida WIldflower Foundation.
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Additional resources

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

Metadata

Record Modified: 2023-01-04
Research By: Joseph A. Marcus

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