|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Violaceae||View Description||Dichotomous Key|
|Genus: Viola||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Viola tomentosa M.S. Baker & J.C. Clausen
Habit: Perennial herb 7--10 cm, densely white-tomentose. Stem: prostrate to erect, generally several, clustered on 1--several subterranean caudices from woody rhizome. Leaf: simple; basal 1--6 per caudex, petiole 2--6 cm, blade 1.5--5 cm, 1.4--2.1 cm wide, elliptic to narrowly ovate, entire, base obliquely tapered, tip acute to generally obtuse; cauline petiole 1.5--3.5 cm, blade 1.8--4 cm, 0.6--1.1 cm wide, +- like basal. Inflorescence: axillary; peduncle 1--4 cm. Flower: sepals lanceolate, not ciliate; petals deep lemon-yellow, upper 2 often maroon or +- brown abaxially, lower 3 veined brown-purple, lateral 2 bearded with cylindric hairs, lowest 6--11 mm; cleistogamous flowers 0. Fruit: to 5 mm, +- round, white-tomentose. Seed: 2.5--2.8 mm, brown, mottled lighter. Chromosomes: 2n=12.
Ecology: Dry, gravelly places in open pine forest (Jeffrey, lodgepole, ponderosa); Elevation: 1350--2030 m. Bioregional Distribution: n-c SNH. Flowering Time: May--Aug Note: Hybrids with Viola purpurea appear sterile.
eFlora Treatment Author: R. John Little
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Viola sheltonii
Next taxon: Viscaceae
Citation for this treatment: R. John Little 2016. Viola tomentosa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48323, accessed on September 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 25, 2016.