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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Violaceae||View Description||Dichotomous Key|
|Genus: Viola||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Viola pedunculata Torr. & A. Gray
Habit: Perennial herb 5--39 cm, glabrous to puberulent. Stem: decumbent to erect, generally many, branched, clustered on a shallow to deep caudex with fleshy roots. Leaf: simple; basal 0; cauline petiole 2.7--7.2 cm, blade 1--5.5 cm, 1--5.5 cm wide, deltate to ovate, crenate to serrate, base truncate, +- cordate, or tapered, tip acute to obtuse. Inflorescence: axillary; peduncle 2.9--20 cm. Flower: sepals lanceolate, ciliate or not; petals gold-yellow, upper 2 red-brown abaxially, lower 3 veined dark brown, lateral 2 bearded with club-shaped hairs, lowest 10--20 mm; cleistogamous flowers 0. Fruit: 5--11 mm, elliptic, glabrous. Seed: 2.7 mm, shiny, dark brown. Chromosomes: 2n=12.
Ecology: Open, grassy slopes, hillsides, chaparral, oak woodland, generally full sun; Elevation: < 1540 m. Bioregional Distribution: NCoRO, NCoRI, CW, SW; Distribution Outside California: northern Baja California. Flowering Time: Feb--Apr Note: Often confused with Viola purpurea subsp. purpurea, Viola purpurea subsp. quercetorum. Only larval food plant for federally endangered butterfly.
Synonyms: Viola pedunculata subsp. pedunculata; Viola pedunculata subsp. tenuifolia M.S. Baker & J.C. Clausen
Unabridged Note: Only larval food plant for federally endangered Callippe silverspot butterfly, Speyeria callipe callipe (adults also take nectar from other species).
eFlora Treatment Author: R. John Little
Jepson Online Interchange
Previous taxon: Viola palustris
Next taxon: Viola pinetorum
Citation for this treatment: R. John Little 2016. Viola pedunculata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48273, accessed on September 27, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 27, 2016.