Species Viola adunca (Hooked-Spur Violet, Sand Violet, Western Dog Violet) | Known

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Names

Scientific name: Viola adunca
Common name: Hooked-Spur Violet, Sand Violet, Western Dog Violet

Measurements

Height: 1 - 24 in
Spread: 6 - 12 in
Spacing: 12 in
Growth Rate: Moderate

Requirements

Hardiness zones: 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b
Sunlight: Full Sun, Partial Sun, Partial Shade, Full Shade
Soil Drainage: Moist but Well-drained
Soil type: Loam, Sand
Soil pH: Slightly acidic (6.1 - 6.5), Neutral (6.6 - 7.3)

Physical Traits

Lifecycle: Perennial
Leaf lifecycle: Deciduous
Foliage color: Medium Green
Bloom time: Early Spring, Spring, Late Spring, Early Summer, Summer
Bloom color: Violet, Purple, White-based lower petals, Blue to Purple, Sweet Periwinkle, Deep Purple, Deep Violet
Seasons of interest: Spring, Summer
Propagation methods: Seeds, Division
Attracts: Butterflies, Bees

Taxonomy

Taxonomic Rank: Species
Author: Sm.
Publication: Cycl. 37: n.º 63 (1818)

Superior Taxa

Kingdom: Plantae
Subkingdom: Pteridobiotina
Phylum: Angiosperms
Order: Malpighiales
Family: Violaceae
Genus: Viola

Inferior Taxa

Viola adunca var. bellidifolia Viola adunca var. kirkii

Synonyms

Viola oreophila Viola petrophila Viola fulcrata Viola drepanophora Viola inamoena Viola huronensis Viola verbascula Viola subvestita Viola compacta Viola aduncoides Viola cardaminefolia Viola adunca var. uncinulata Viola adunca subsp. oxyceras Viola adunca var. adunca Viola adunca f. adunca Viola adunca var. oxyceras Viola adunca f. glabra Viola adunca var. glabra Viola retroscabra Viola demissa Viola tidestromii Viola uncinulata Lophion aduncum Viola longipes Viola canina var. oxyceras Viola bellidifolia subsp. valida Viola clarkiae Viola cordulata Viola desertorum Viola montanensis Viola odontophora Viola canina var. adunca Viola oxysepala Viola sylvatica var. adunca Viola canina var. longipes Viola oxyceras Viola adunca subsp. ashtonae Viola canina var. puberula Viola oreocallis Viola unguiculata Viola cascadensis Viola adunca subsp. adunca Viola adunca subsp. uncinulata Lophion aduncum var. glabrum Viola adunca var. longipes Viola mamillata Viola adunca f. albiflora Viola adunca subsp. radicosa Viola adunca var. cascadensis

References

Viola adunca, accessed November 8, 2024

Viola adunca (Western Blue Violet), accessed November 8, 2024

Dog Violet, accessed November 8, 2024

OregonFlora Viola adunca, accessed November 8, 2024

Viola adunca (Hooked-spur violet) | Native Plants of North America, accessed November 8, 2024

Viola adunca (hook-spurred violet): Go Botany, accessed November 8, 2024

Sand Violet - Montana Field Guide, accessed November 8, 2024

Viola adunca | FWS.gov, accessed November 8, 2024

Hookedspur Violet, accessed November 8, 2024

San Violet, accessed November 8, 2024

World Flora Online, accessed June 20, 2024