Viola pedunculata, the California golden violet, Johnny jump up, or yellow pansy, is a perennial yellow wildflower of the coast and coastal ranges in California and northwestern Baja California.<ref name="grin">Template:GRIN</ref> The common name "Johnny jump up" is usually associated with Viola tricolor however, the introduced garden annual.
The leaves are 1-5.5 cm long, cordate (heart-shaped) to deltate-ovate (oblong-triangular), scalloped or toothed, and glabrous or hairy.<ref>Jepson: Viola pedunculata . accessed 3.23.2013</ref> They are summer deciduous.
The fragrant flowers appear in March and April, and are a rich, saturated yellow to yellow-orange, with brown-purple nectar guides on the lower petals. The flowers are hermaphrodite, and are pollinated by native and introduced insects. Dried in air, the seeds weigh about Template:Convert each.
- Viola pedunculata ssp. pedunculata <ref>CalFlora: Viola pedunculata ssp. pedunculata</ref>
- Viola pedunculata ssp. tenuifolia <ref>USDA: Viola pedunculata ssp. tenuifolia</ref>
The leaves were used by the Diegueno and Luiseno indigenous people of California for food:. The young leaves were picked before the flowers appeared in the spring, then boiled, and used as greens.<ref>Univ. of Michigan: Dearborn — Ethnobotany treatment . accessed 3.23.2013</ref>
The plant is cultivated as an ornamental plant by specialty plant nurseries, for planting as a drought tolerant seasonal groundcover or flowering accent plant in native plant and wildlife gardens; and as a potted plant.<ref name="lasp">Las Pilitas horticultural database: Viola pedunculata — (Violet, Yellow Pansy, Johnny jump up, California Golden Violet, and Wild Pansy) . accessed 3.23.2013</ref><ref>Lady Bird Johnson Wildflower Center Native Plant Database (NPIN)</ref>
They are propagated by seed or nursery/garden divisions.<ref>CNPLX: Viola pedunculata - Nursery and Seed Sources . accessed 3.23.2013</ref> The plant prefers rich soil, and no irrigation water in summer, when it is dormant.<ref name="lasp"/>
When cultivated in colder climates outside its native range where not so hardy, it is most successful when propagated in a cold frame.
- CalFlora Database: Viola pedunculata (California golden violet)
- Jepson Manual treatment for Viola pedunculata
- Species entry in Plants for a Future