Arnica angustifolia subsp. tomentosa

(Macoun) G. W. Douglas & Ruyle-Douglas

Canad. J. Bot. 56: 1710. 1978.

Endemic
Basionyms: Arnica tomentosa J. M. Macoun Ottawa Naturalist 13: 166. 1899
Synonyms: Arnica alpina subsp. tomentosa (J. M. Macoun) Maguire Arnica alpina var. tomentosa (J. M. Macoun) Cronquist
Treatment appears in FNA Volume 21. Treatment on page 370. Mentioned on page 369.

Leaves narrowly lanceolate, faces densely white-woolly-villous. Involucres: densely woolly-villous and densely stipitate-glandular. 2n = 57, 76.


Phenology: Flowering Jul–Aug.
Habitat: Alpine slopes and subalpine meadows
Elevation: 500–2500 m

Distribution

V21-921-distribution-map.gif

Alta., B.C., Nfld. and Labr. (Nfld.), N.W.T., Yukon, Mont.

Discussion

Selected References

None.

Lower Taxa

None.

not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and cymiform +
indeterminate +  and determinate +
Steven J. Wolf +
(Macoun) G. W. Douglas & Ruyle-Douglas +
decurrent +
Arnica tomentosa +
compound +  and simple +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
broadly lanceolate;linear +
0.3cm;4cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
connate +  and distinct +
stipitate-glandular +  and hairy +
obovoid-cylindric +, fusiform +  and conic +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Yukon +  and Mont. +
500–2500 m +
white-woolly-villous +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
campanulate +  and cylindric +
Alpine slopes and subalpine meadows +
discoid +  and radiate +
in cymiform or corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
stipitate-glandular +  and woolly-villous +
hemispheric +
1 (?) +  and 5 (?) +
lanceolate +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
dentate +, denticulate +  and entire +
2-carpellate +
subplumose +  and barbellate +
persistent +
10 +  and 50 +
aristate +
Flowering Jul–Aug. +
9 +  and 22 +
Canad. J. Bot. +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
distinct +
4 +  and 20 +
exalbuminous +
branched +  and simple +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Arnica alpina subsp. tomentosa +  and Arnica alpina var. tomentosa +
Arnica angustifolia subsp. tomentosa +
Arnica angustifolia +
subspecies +
campanulate +  and cylindric +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (80 cm800 mm <br />0.8 m <br />) +
toothed +  and entire +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
5 cm50 mm <br />0.05 m <br /> (100 cm1,000 mm <br />1 m <br />) +