Balsamorhiza lanata

(W. M. Sharp) W. A. Weber

Phytologia 85: 20. 1999.

EndemicConservation concern
Basionym: Balsamorhiza hookeri var. lanata W. M. Sharp Ann. Missouri Bot. Gard. 22: 130. 1935
Treatment appears in FNA Volume 21. Treatment on page 97. Mentioned on page 94.

Plants 10–20 (–30) cm. Basal leaves: blades white to grayish, lanceolate to linear-oblong, 10–20 × 3–6 (–8) cm (1–2-pinnatifid, primary lobes lance-linear to oblong, mostly 5–40 × 1–10 mm, secondary lobes or teeth antrorse, divergent), bases cuneate to truncate, ultimate margins mostly entire (± revolute), apices rounded to acute, faces densely lanate-tomentose to villous. Heads borne singly. Involucres ± hemispheric, 12–20 mm diam. Outer phyllaries lanceolate to linear, 10–20 mm, sometimes surpassing inner, apices acute to attenuate. Ray laminae (10–) 15–20 mm (abaxially puberulent or glabrous).


Phenology: Flowering Apr–May(–Jun).
Habitat: Roadsides, grassy slopes
Elevation: 700–1500 m

Discussion

Of conservation concern.

Balsamorhiza lanata is known from a relatively restricted area in northern California and southern Oregon. No hybrids between it and other species have been noted.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Balsamorhiza lanata"
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 +
(W. M. Sharp) W. A. Weber +
bristlelike +
coroniform +
not corrugated +
cuneate +  and truncate +
Balsamorhiza hookeri var. lanata +
compound +  and simple +
6 cm60 mm <br />0.06 m <br /> (8 cm80 mm <br />0.08 m <br />) +
white +  and grayish +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
lanceolate;linear-oblong +
3cm;6cm +
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 +
Calif. +  and Oreg. +
700–1500 m +
densely lanate-tomentose +  and villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Roadsides, grassy slopes +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
hemispheric +
alternate +  and opposite +
deltate +
entire +, serrate +  and dentate +
crenate +  and entire +
lanceolate +  and linear +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2-carpellate +
persistent +
Flowering Apr–May(–Jun). +
8 +  and 20 +
unequal +  and subequal +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
Endemic +  and Conservation concern +
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 lanata +
Balsamorhiza subg. Balsamorhiza +
species +
cylindric +
cylindric +
shorter to longer than campanulate +
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 />) +