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 ovate-lanceolate (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"
Leila M. Shultz +
Nuttall +
Long-leaved sage +
Alta. +, B.C. +, Man. +, Sask. +, Idaho +, Minn. +, Mont. +, Nebr. +, N.Dak. +, S.Dak. +  and Wyo. +
500–1800 m +
Alkaline flats, grasslands, barren areas, high plains +
Flowering mid summer–early fall. +
Gen. N. Amer. Pl. +
Artemisia ludoviciana var. integrifolia +, Artemisia natronensis +, Artemisia vulgaris subsp. longifolia +  and Artemisia vulgaris var. longifolia +
Artemisia longifolia +
Artemisia subg. Artemisia +
species +