Artemisia longifolia

Nuttall

Gen. N. Amer. Pl. 2: 142. 1818.

Common names: Long-leaved sage
Endemic
Synonyms: Artemisia ludoviciana var. integrifolia A. Nelson Artemisia natronensis A. Nelson Artemisia vulgaris subsp. longifolia (Nuttall) H. M. Hall & Clements Artemisia vulgaris var. longifolia (Nuttall) M. Peck
Treatment appears in FNA Volume 19. Treatment on page 527. Mentioned on page 521, 532.

Perennials, 20–80 cm (not cespitose), pleasantly aromatic (fibrous-rooted, rootstocks relatively short, horizontal, layered stems sometimes sprouting). Stems 3–20+, erect, gray-green, usually simple, sometimes branched (bases woody), densely tomentose. Leaves cauline, bicolor (white and green); blades linear to lanceolate, 3–12 × 1 cm, margins usually entire, sometimes toothed or lobed, faces densely tomentose (abaxial) or glabrate (adaxial). Heads (peduncles 0 or to 2 mm) in mostly racemiform arrays 8–13 × 1–2 cm. Involucres campanulate, 4–5 × 4–5 mm. Phyllaries ovatelanceolate (margins hyaline), densely to sparsely tomentose. Florets: pistillate 3–10; bisexual 8–26; corollas pale-yellow, 1–2 mm, sparsely glandular. Cypselae ellipsoid, 0.5–0.8 mm, glabrous. 2n = 36.


Phenology: Flowering mid summer–early fall.
Habitat: Alkaline flats, grasslands, barren areas, high plains
Elevation: 500–1800 m

Distribution

V19-907-distribution-map.gif

Alta., B.C., Man., Sask., Idaho, Minn., Mont., Nebr., N.Dak., S.Dak., Wyo.

Discussion

Artemisia longifolia appears to be more salt-tolerant than most species of the genus. It is closely related to A. ludoviciana.

Selected References

None.

Lower Taxa

None.
... more about "Artemisia longifolia"
not tailed +  and obtuse +
scarious +
indeterminate +  and determinate +
8 cm80 mm <br />0.08 m <br /> (13 cm130 mm <br />0.13 m <br />) +
1cm +  and 2cm +
Leila M. Shultz +
Nuttall +
decurrent +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
linear;lanceolate +
fertile +  and bisexual +
Long-leaved sage +
zygomorphic +, actinomorphic +  and (3-)5-merous +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
winged +  and monomorphic +
ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, Man. +, Sask. +, Idaho +, Minn. +, Mont. +, Nebr. +, N.Dak. +, S.Dak. +  and Wyo. +
500–1800 m +
gland-dotted +
glabrate +  and tomentose +
peripheral +
winged +  and beaked +
dispersed +
Alkaline flats, grasslands, barren areas, high plains +
spiciform +  and racemiform +
in subcapitate clusters +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
campanulate +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +  and petiolate +
persistent +  and deciduous +
deltate +
lobed +  and toothed +
2-carpellate +
persistent +
Flowering mid summer–early fall. +
2 +  and 20 +
Gen. N. Amer. Pl. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
branched +  and simple +
gray-green +
3 +  and 20 +
wand-like +
appendaged +  and truncate +
papillate +
Artemisia ludoviciana var. integrifolia +, Artemisia natronensis +, Artemisia vulgaris subsp. longifolia +  and Artemisia vulgaris var. longifolia +
Artemisia longifolia +
Artemisia subg. Artemisia +
species +
funnel +  and subglobose +
cylindric +
fibrous-rooted +  and taprooted +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
shrub +  and subshrub +