Balsamorhiza incana

Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 350. 1840. 1840

Endemic
Treatment appears in FNA Volume 21. Treatment on page 96. Mentioned on page 94, 97.

Plants 20–35(–70) cm. Basal leaves: blades white to grayish, lance-ovate to oblong, 10–45 × 3–7(–10) cm (1-pinnatifid, lobes ovate to lanceolate, 20–50 × 5–25 mm), bases broadly cuneate to truncate, margins entire or serrate (plane, not distinctly ciliate), apices obtuse, faces usually densely, sometimes sparsely, tomentose. Heads usually borne singly. Involucres hemispheric, 20–25(–30) mm. Outer phyllaries ovate to lanceolate or linear, 15–20 mm, shorter than inner, apices acute to attenuate (margins ± ciliate). Ray laminae 20–40(–50+) mm. 2n = 38.


Phenology: Flowering May–Jun(–Jul).
Habitat: Grassy meadows, dry, rocky sites, openings in conifer forests
Elevation: 1200–2800 m

Distribution

V21-226-distribution-map.gif

Idaho, Mont., Oreg., Wash., Wyo.

Discussion

Balsamorhiza incana hybridizes with B. sagittata.

Selected References

None.

Lower Taxa

None.

... more about "Balsamorhiza incana"
William A. Weber +
Nuttall +
Idaho +, Mont. +, Oreg. +, Wash. +  and Wyo. +
1200–2800 m +
Grassy meadows, dry, rocky sites, openings in conifer forests +
Flowering May–Jun(–Jul). +
Trans. Amer. Philos. Soc., n. s. +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Balsamorhiza incana +
Balsamorhiza subg. Balsamorhiza +
species +