Artemisia borealis subsp. borealis

Common names: Boreal sage
Synonyms: Artemisia campestris var. purshii (Besser) Cronquist Artemisia campestris var. spithamaea (Pursh) M. Peck Artemisia campestris var. strutziae S. L. Welsh Artemisia purshii (Pallas) Polyakov Artemisia spithamaea (Hornemann) Á. Löve & D. Löve Oligosporus borealis Oligosporus groenlandicus
Treatment appears in FNA Volume 19. Treatment on page 506.

Plants 10–20 (–40) cm, herbage villoso-tomentose, glabrate, or glabrous. Corollas (at least lobes) usually yellow-orange (sometimes red-tinged), 2.2–3 mm. 2n = 18, 36.


Phenology: Flowering mid–late summer.
Habitat: Open meadows, usually on well-drained soils
Elevation: 0–3500 m

Distribution

V19-850-distribution-map.gif

Alta., B.C., N.W.T., Nunavut, Sask., Yukon, Alaska, Calif., Colo., Idaho, Mont., Utah, Wash., Wyo., Eurasia

Discussion

Subspecies borealis is widespread in the mountains of western North America. Some high-elevation populations have corollas tinged with red.

Selected References

None.

Lower Taxa

None.
not tailed +  and obtuse +
scarious +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Leila M. Shultz +
Pallas +
decurrent +
compound +  and simple +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
lobed;ovate +
0.5cm;1cm +
Boreal sage +
zygomorphic +, actinomorphic +  and (3-)5-merous +
yellow-orange +
2.2 +  and 3.5 +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
compressed +  and oblong-lanceoloid +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, N.W.T. +, Nunavut +, Sask. +, Yukon +, Alaska +, Calif. +, Colo. +, Idaho +, Mont. +, Utah +, Wash. +, Wyo. +  and Eurasia +
0–3500 m +
gland-dotted +
staminate +  and pistillate +
winged +  and beaked +
dispersed +
Open meadows, usually on well-drained soils +
spiciform +  and racemiform +
in subcapitate clusters +  and singly +
9 cm90 mm <br />0.09 m <br /> (12 cm120 mm <br />0.12 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
indeterminate +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
heterogamous +  and homogamous +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
glabrous +, glabrate +  and villoso-tomentose +
each +  and sessile +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
hemispheric +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
persistent +
basal +  and cauline +
linear +  and narrowly oblong +
entire +  and dentate +
2-carpellate +
persistent +
Flowering mid–late summer. +
tomentose-villous +
2 +  and 20 +
Reise Russ. Reich. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
1 (?) +  and 2 (?) +
gray-green +
2 +  and 5 +
wand-like +
appendaged +  and truncate +
papillate +
Artemisia campestris var. purshii +, Artemisia campestris var. spithamaea +, Artemisia campestris var. strutziae +, Artemisia purshii +, Artemisia spithamaea +, Oligosporus borealis +  and Oligosporus groenlandicus +
Artemisia borealis subsp. borealis +
Artemisia borealis +
subspecies +
funnel +  and subglobose +
cylindric +
20 cm200 mm <br />0.2 m <br /> (40 cm400 mm <br />0.4 m <br />) +
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 m <br />) +
taprooted +  and fibrous-rooted +