Viola purpurea var. dimorpha

(M. S. Baker & J. C. Clausen) J. T. Howell

Mentzelia 1: 8. 1976.

Common names: Dimorphic mountain violet
Endemic
Basionym: Viola purpurea subsp. dimorpha M. S. Baker & J. C. Clausen Madroño 10: 122, plates 4 [right lower center], 8, fig. 8. 1949
Synonyms: V. purpurea subsp. geophyta M. S. Baker & J. C. Clausen
Treatment appears in FNA Volume 6. Treatment on page 151. Mentioned on page 150.

Plants 3–25 cm. Stems spreading to erect, usually not buried, usually elongated by end of season, puberulent. Leaves: basal: 1–6; petiole 1.8–8.5 cm, puberulent; blade usually purple-tinted abaxially, green adaxially, ± orbiculate to ovate, 0.8–3 × 0.5–2.2 cm, base cordate or truncate, margins irregularly dentate or crenate with 3–4 rounded and/or pointed teeth per side, apex obtuse to rounded, surfaces puberulent; cauline: petiole 0.5–4.1 cm, puberulent; blade ovate to lanceolate to ± oblong, 1.2–2.7 × 0.7–1.9 cm, length 0.8–2.5 times width, base attenuate, oblique or not, subcordate, or truncate, margins entire, crenate, serrate, or repand-denticulate, apex acute to obtuse, surfaces canescent. Peduncles 4.6–6 cm, puberulent. Lowest petals 6–11 mm. Capsules 5–6.5 mm. Seeds dark brown, 2.2–2.9 mm.


Phenology: Flowering May–July.
Habitat: Pine, fir, cedar forests
Elevation: 1200–2500 m

Discussion

Selected References

None.

Lower Taxa

None.
R. John Little +  and Landon E. McKinney† +
(M. S. Baker & J. C. Clausen) J. T. Howell +
Viola purpurea subsp. dimorpha +
Dimorphic mountain violet +
Calif. +  and Oreg. +
1200–2500 m +
Pine, fir, cedar forests +
Flowering May–July. +
V. purpurea subsp. geophyta +
Viola purpurea var. dimorpha +
Viola purpurea +
variety +