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|Jepson eFlora: Taxon page
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|Family: Violaceae||View Description||Dichotomous Key|
|Genus: Viola||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Viola douglasii Steud.
Habit: Perennial herb 3--20 cm, glabrous to puberulent. Stem: decumbent to erect, generally several, up to 1/2 subterranean, branched, clustered on deep caudex. Leaf: 2-pinnate-compound; basal 1--6 per caudex, petiole 5--6.8 cm, blade 3.5--5 cm, 2.4--3.5 cm wide, ovate, leaflets 3--5, divided into 3--5 segments, segments 1--2.5(5) mm wide, linear, narrow-elliptic or oblong, generally densely ciliate, tip acute to obtuse; cauline petiole 0.9--4 cm, blade 1.1--4.1 cm, 1--3.6 cm wide, +- like basal. Inflorescence: axillary; peduncle 2--12.5 cm. Flower: sepals lanceolate, ciliate; petals light gold-yellow, upper 2 dark red-brown to +- black abaxially, lower 3 veined dark brown, lateral 2 bearded with cylindric hairs, lowest 8--21 mm; cleistogamous flowers 0. Fruit: 5--12 mm, round to oblong, glabrous. Seed: +- 2.5 mm, pale brown. Chromosomes: 2n=24,48.
Ecology: Vernally moist flats, grassy slopes, often on serpentine; Elevation: 20--2300 m. Bioregional Distribution: NW, CaRH, SNF, n SNH, Teh, GV, CW, SnGb, SnBr, PR; Distribution Outside California: Oregon, northern Baja California. Flowering Time: Feb--Jul
Synonyms: Viola chrysantha Hook., illeg.
eFlora Treatment Author: R. John Little
Jepson Online Interchange
Previous taxon: Viola cuneata
Next taxon: Viola glabella
Citation for this treatment: R. John Little 2017. Viola douglasii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48202, accessed on January 16, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 16, 2017.