Hookedspur Violet | Viola adunca - Benton Soil And Water Conservation District

Hookedspur Violet | Viola adunca

May contain: flower, plant, geranium, acanthaceae, and petal

May contain: flower, geranium, plant, iris, petal, and purple

May contain: flower, plant, geranium, purple, and petal

Spade to heart-shaped leaves and pale to deep violet flowers with a white patch, purple veins at the base of lower 3 petals.

Plant Details

Habitats	Riparian Forests, Mixed Hardwood-Conifer Forest or Woodland, Meadows
Phenology	Perennial; flowering March-April
Mature Height	4"
Shade Preference	Full sun, part shade, shade
Soil Tolerance	Moist to dry soils; prefers high organic matter
Special Uses	Attracts bees and butterflies. This violet species is a host plant for the threatened Oregon silverspot butterfly.

May contain: animal, bee, honey bee, insect, invertebrate, and wasp

Native Plant Database

We have a large searchable database of plants that are native to the Willamette Valley and other parts of Benton County. View images and filter the list by plant characteristics

May contain: bud, flower, plant, sprout, vegetation, petal, and leaf

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There are so many good reasons to plant native plants!

May contain: plant, potted plant, garden, nature, outdoors, soil, jar, planter, pottery, vase, herbal, herbs, clothing, coat, cap, hat, face, head, person, photography, portrait, gardening, jacket, glove, wood, accessories, glasses, adult, female, woman, indoors, interior design, footwear, shoe, bag, and handbag

Native Plant Sales

A lush green riparian forest with tall red alder trees and a rocky stream running through it.

Riparian Forests

Riparian areas are defined by NRCS as ecosystems that occur along waterways and water bodies. They serve as the transition between aquatic and terrestrial zones.

A dense forest with tall trees and lush green undergrowth.

Mixed Hardwood-Conifer Forest or Woodland

Mixed hardwoods and conifers characterize this habitat which is widespread in western Oregon in the medium elevations of the hills of the Coast Range. Precipitation is higher in this habitat than in…