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|Family: Violaceae||View Description||Dichotomous Key|
|Genus: Viola||View Description||Dichotomous Key|
|Species: Viola purpurea||View Description||Dichotomous Key|
Viola purpurea subsp. quercetorum (M.S. Baker & J.C. Clausen) R.J. Little
Habit: Plant 4--25(34.5) cm, puberulent. Stem: generally not buried, spreading to erect, generally elongated by end of season. Leaf: basal petiole 1.9--9.5 cm, blade 1--5.3 cm, 1--3.5 cm wide, ovate to round, +- unlobed, irregularly wavy-dentate, generally gray-green, occasionally purple-tinted abaxially, base tapered to truncate or +- cordate, tip obtuse; cauline petiole 1.3--5.3 cm, blade 1.4--2.2 cm, 0.8--1.3 cm wide, lanceolate to diamond-shaped, crenate-serrate, base generally tapered, tip acute. Inflorescence: peduncle 2.7--17 cm. Flower: lowest petal 10--16 mm. Fruit: 8--12 mm. Chromosomes: 2n=24.
Ecology: Dry, grassy or brushy slopes, chaparral, generally below yellow-pine forest; Elevation: 304--1981 m. Bioregional Distribution: NW, CaR, SN, CW, SW, MP; Distribution Outside California: southwestern Oregon. Flowering Time: Feb--Jul Note: Fresh material (light gray) +- needed to distinguish from Viola purpurea subsp. purpurea (dull to bright green tinted +- purple); perhaps better treated as a separate sp.
Synonyms: Viola quercetorum M.S. Baker & J.C. Clausen
eFlora Treatment Author: R. John Little
Jepson Online Interchange
Previous taxon: Viola purpurea subsp. purpurea
Next taxon: Viola purpurea subsp. venosa
Citation for this treatment: R. John Little 2017. Viola purpurea subsp. quercetorum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=53410, accessed on April 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 26, 2017.