Viola glabella

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  • Scientific Name: Viola glabella
  • Family: Violaceae
  • Common Names: stream violet, yellow wood violet, pioneer violet
  • Codon: VIOGLA

Ben Legler 2004, also featured on Main Page


Scientific classification
Kingdom: Plantae
Subkingdom: Viridiplantae
Phylum: Tracheophyta
Subphylum: Spermatophytina
Class: Magnoliopsida
Subclass: 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.[2]

Bloom Period

Flowering Time: March-July [2]
Crop Intervals: Perennial


Both sides of the Cascades in Washington, Alaska to California, east to Montana[3]


Moist woods and stream banks, low to mid-elevations in the mountains.


Stream violet is easy to establish in woodland gardens. It may reseed and can become somewhat weedy.

Photo Gallery


  1. Integrated Taxonomic Information System. Retrieved from
  2. 2.0 2.1 WTU Herbarium, Burke Museum, & University of Washington. (n.d.). Retrieved from glabella
  3. Hitchcock, C., Cronquist, Arthur, Giblin, David, Legler, Ben, Zika, Peter F., Olmstead, Richard G., . . . Porcino, Natsuko. (2018). Flora of the Pacific Northwest : An illustrated manual (Second ed.). Seattle: University of Washington Press ; Burke Museum of Natural History and Culture.