Viola glabella, Violaceae, Stream violet, Yellow Wood Violet, Pioneer Violet
- Kingdom Plantae
- Subkingdom Viridaeplantae
- Infrakingdom Streptophyta
- Division Tracheophyta
- Subdivision Spermatophytina
- Infradivision Angiospermae
- Class Magnoliopsida
- Superorder Rosanae
- Order Malpighiales
- Family Violaceae
- Genus Viola L.
- Species Viola glabella Nutt.
General: Puberulent perennial from widely spreading, scaly, fleshy rhizomes, the flowering stems 5-30 cm. tall, leafless the lower two-thirds.
Leaves: Leaf blades ovate-cordate to reniform, abruptly pointed, the basal leaves with petioles 10-20 cm. long; stipules membranous, ovate to obovate, 5-10 mm. long, entire.
Flowers: Flowers 8-14 mm. long, borne chiefly on the upper part of the stem, on peduncles about as long as the leaves; spur very short; petals clear yellow, the lower 3 with purple penciling, the lateral pair well bearded; style head copiously bearded.
Fruit: Fruit a 3-valved capsule, ovary superior, placentation parietal, seeds brown.
Crop Intervals: Perennial
Both sides of the Cascades in Washington, Alaska to California, east to Montana
Moist woods and stream banks, low to mid-elevations in the mountains
Landscaping: Smooth yellow violet is easy to establish in woodland gardens. It may reseed and can become a bit invasive
Young leaves and flower buds - raw or cooked. When added to soup they thicken it in much the same way as okra. Some caution is advised, the yellow flowers of this species can cause diarrhea if eaten in large quantities. A tea can be made from