Balsamorhiza incana

Nuttall

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

"broader" is not a number.

... more about "Balsamorhiza incana"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
less corymbiform +  and racemiform +
indeterminate +  and determinate +
William A. Weber +
Nuttall +
bristlelike +
coroniform +
not corrugated +
cuneate to truncate +  and cuneate +
compound +  and simple +
7 cm70 mm <br />0.07 m <br /> (10 cm100 mm <br />0.1 m <br />) +
white +  and grayish +
10 cm100 mm <br />0.1 m <br /> (45 cm450 mm <br />0.45 m <br />) +
lanceovate;oblong +
3cm;7cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +  and orange +
hairy +  and glabrous +
3-4-angled +  and prismatic +
fertile +  and bisexual +
fertile +  and bisexual +
Idaho +, Mont. +, Oreg. +, Wash. +  and Wyo. +
1200–2800 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grassy meadows, dry, rocky sites, openings in conifer forests +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (3 cm30 mm <br />0.03 m <br />) +
hemispheric +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
alternate +  and opposite +
deltate +
serrate +  and entire +
crenate +  and entire +
ovate +  and lanceolate or linear +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2-carpellate +
persistent +
Flowering May–Jun(–Jul). +
8 +  and 20 +
unequal +  and subequal +
Trans. Amer. Philos. Soc., n. s. +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
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 +
cylindric +
cylindric +
shorter to longer than campanulate +
entire +, serrate +  and dentate +
45 cm450 mm <br />0.45 m <br /> (100 cm1,000 mm <br />1 m <br />) +
10 cm100 mm <br />0.1 m <br /> (45 cm450 mm <br />0.45 m <br />) +