Burke: Viola bakeri vs. Viola sheltonii

	Viola bakeri	Viola sheltonii
		fan violet, Shelton's violet
Habit	Perennial from short, erect rhizomes, the stems up to 15 cm. long.	Glabrous perennial from deep-seated rhizomes, the flowering stems 5-15 cm. tall.
Leaves	Leaf blades entire, elliptic-lanceolate, tapering to the petiole, 2-5 cm. long; petiole 3-12 cm. long; stipules attached to the petiole, the free portion few-toothed.	Leaf blades glaucous and somewhat purplish on the lower surface, 2-5 cm. long and broad, deeply cleft into 3 main lobes and dissected into ultimate linear segments; stipules small, membranous, comb-like.
Flowers	Flowers with peduncles shorter than the leaves; flowers 5-12 mm. long, yellow, the lower 3 penciled with brownish-purple, the lateral pair bearded; style head bearded, rounded.	Flowers about 12 mm. long, yellow, the upper pair of petals brownish-backed, the lower three purplish-penciled, the lateral pair sparsely bearded; style head sparsely bearded.
Fruits	a glabrous, 3-valved capsule, ovary superior, placentation parietal.	Fruit a 3-valved, puberulent capsule, ovary superior, placentation parietal.

	Viola bakeri	Viola sheltonii
Flowering time	May-July	April-June
Habitat	Moist to dry openings in coniferous forests.	Coniferous forest understory, often associated with moss-covered boulder fields with well-developed organic layer.
Distribution	Occurring chiefly east of the Cascades crest in Washington from Mt. Adams south; south-central Washington to California and Nevada. [WildflowerSearch map] [BONAP county map]	Occurring on both sides of the Cascades crest in Washington; Washington to California, east to Idaho; also in Colorado. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	V. adunca, V. arvensis, V. canadensis, V. flettii, V. glabella, V. howellii, V. lanceolata, V. langsdorffii, V. macloskeyi, V. nephrophylla, V. nuttallii, V. odorata, V. orbiculata, V. palustris, V. pluviae, V. purpurea, V. renifolia, V. riviniana, V. selkirkii, V. sempervirens, V. sheltonii, V. sororia, V. tricolor, V. trinervata, V. ×wittrockiana	V. adunca, V. arvensis, V. canadensis, V. flettii, V. glabella, V. howellii, V. lanceolata, V. langsdorffii, V. macloskeyi, V. nephrophylla, V. nuttallii, V. odorata, V. orbiculata, V. palustris, V. pluviae, V. purpurea, V. renifolia, V. riviniana, V. selkirkii, V. sempervirens, V. sororia, V. tricolor, V. trinervata, V. ×wittrockiana
Web links	Local floras: CA, OR Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Viola bakeri

Viola sheltonii

fan violet, Shelton's violet

Habit

Perennial from short, erect rhizomes, the stems up to 15 cm. long.

Glabrous perennial from deep-seated rhizomes, the flowering stems 5-15 cm. tall.

Leaves

Leaf blades entire, elliptic-lanceolate, tapering to the petiole, 2-5 cm. long;

petiole 3-12 cm. long;

stipules attached to the petiole, the free portion few-toothed.

Leaf blades glaucous and somewhat purplish on the lower surface, 2-5 cm. long and broad, deeply cleft into 3 main lobes and dissected into ultimate linear segments;

stipules small, membranous, comb-like.

Flowers

Flowers with peduncles shorter than the leaves;

flowers 5-12 mm. long, yellow, the lower 3 penciled with brownish-purple, the lateral pair bearded;

style head bearded, rounded.

Flowers about 12 mm. long, yellow, the upper pair of petals brownish-backed, the lower three purplish-penciled, the lateral pair sparsely bearded;

style head sparsely bearded.

Fruits

a glabrous, 3-valved capsule, ovary superior, placentation parietal.

Fruit a 3-valved, puberulent capsule, ovary superior, placentation parietal.