Arnica griscomii subsp. griscomii

Common names: Griscom’s arnica arnica de Griscom
Treatment appears in FNA Volume 21. Treatment on page 371.

Involucre bases sparsely to moderately white-pilose. Phyllaries broadly lanceolate to oblanceolate. 2n = 76.


Phenology: Flowering Jun–Jul.
Habitat: Sea-cliffs, limestone barrens, hornblende schists and dry schistose talus in alpine areas
Elevation: 10–1100 m

Distribution

V21-926-distribution-map.gif

Nfld. and Labr. (Nfld.), Que.

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 +
Fernald +
decurrent +
compound +  and simple +
1.2 cm12 mm <br />0.012 m <br /> (10 cm100 mm <br />0.1 m <br />) +
spatulate;ovate;spatulate;ovate;oblanceolate;lanceolate;elliptic +
0.5cm;3.5cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
connate +  and distinct +
Griscom’s arnica +  and arnica de Griscom +
stipitate-glandular +  and hairy +
glabrous +  and hirsute +
obovoid-cylindric +, fusiform +  and conic +
fertile +  and bisexual +
fertile +  and bisexual +
Nfld. and Labr. (Nfld.) +  and Que. +
10–1100 m +
stipitate-glandular +, hispidulous-puberulent +  and glabrous +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
campanulate +  and cylindric +
Sea-cliffs, limestone barrens, hornblende schists and dry schistose talus in alpine areas +
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 />) +
hemispheric;campanulate-turbinate +
1 (?) +  and 4 (?) +
deltate +
denticulate to dentate +  and denticulate +
2-carpellate +
subplumose +  and barbellate +
persistent +
10 +  and 50 +
aristate +
Flowering Jun–Jul. +
not stipitate-glandular +
9 +  and 20 +
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 louiseana subsp. griscomii +
Arnica griscomii subsp. griscomii +
Arnica griscomii +
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 />) +