NUTTALL’S YELLOW VIOLET
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Viola nuttallii  Pursh
Craig Freeman photo
Perennial
Height: .8-4.8(-8) inches
Family: Violaceae – Violet Family
Flowering Period:   April, May
Also Called: Yellow prairie violet.
Stems: Ascending to erect, glabrous or puberulent.
Leaves: Basal and cauline, alternate; stipules lanceolate to oblong or elliptic, .12 to .6 inch, margins entire to serrate distally; petiole to 2.4 inches, sparsely to densely puberulent; blade lanceolate to ovate or elliptic, 3.5-4.5 times as long as wide, .8 to 2.4 inches long, .2 to 1 inch wide, base cuneate to attenuate, margins entire to sinuate or remotely crenate-dentate, apex acute, surfaces sparsely to densely puberulent.
Inflorescences: Basal or axillary, flowers solitary; peduncles reflexed apically; bracts 2, medial.
Flowers: Chasmogamous flowers .4 to .6 inch; sepals 5, distinct, lanceolate, .16 to .28 inch, margins glabrous or ciliolate proximally, apex acute; petals 5, distinct, yellow, unequal, abaxial 3 usually with purple veins, lateral 2 bearded, spurred one broadly oblanceolate, beardless; stamens 5, included in corolla throat; filaments distinct; style slender; pistil 1; style 1. Cleistogamous flowers on short peduncles in distal axils.
Fruits: Capsules, tan, .24 to .35 inch, glabrous or puberulent. Seeds brown, .11 to .12 inch.
Habitat: Rocky, calcareous, mixed-grass and shortgrass prairies.
Distribution: West half of Kansas
Origin: Native
Comments: Viola, classical name for violet, and nuttallii, for botanist and naturalist Thomas Nuttall.

Nuttall’s yellow violet habit
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Craig Freeman photo
Nuttall’s yellow violet
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Scott County, Kansas (Marion McGlohon photo)
Nuttall’s yellow violet
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Scott County, Kansas (Marion McGlohon photo)
Nuttall’s yellow violet flowers
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Scott County, Kansas (Marion McGlohon photo)