Artemisia senjavinensis

Besser

Nouv. Mém. Soc. Imp. Naturalistes Moscou 3: 35. 1834

Synonyms: Ajania senjavinensis (Besser) PoljakovArtemisia androsacea Seemann
Treatment appears in FNA Volume 19. Treatment on page 532. Mentioned on page 521, 526.
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Perennials, 30–90 cm (densely cespitose), mildly aromatic (caudices branched, woody, taprooted). Stems 1–9, erect, gray-green, lanate. Leaves mostly basal (in rosettes, cauline 2–5, scattered on flowering stems); blades (basal) broadly oblanceolate, 0.5–0.8 × 0.5–0.7 cm, relatively deeply lobed (lobes 3–5, acute; cauline blades 0.5–1 cm, entire or pinnately lobed, lobes 3–5), faces densely tomentose to sericeous (hairs 1–2 mm). Heads in corymbiform arrays 0.5–2.5 × 0.5–2.5 cm (subtended by white-sericeous bracts). Involucres turbinate, 3–4 × 3–5 mm. Phyllaries lanceolate or ovate, hairy. Florets: pistillate 4–5; bisexual 3–4; corollas yellow or tan, 1.5–2, glandular (style branches blunt, not fringed). Cypselae (brown) linear-oblong, ca. 2 mm, (apices flat), glabrous. 2n = 36, 54.

Phenology: Flowering mid–late summer.
Habitat: Open calcareous gravelly slopes in tundra or heath, sandy slopes above high tide
Elevation: 0–600 m

Distribution

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Alaska, e Asia (Russian Far East, Chukotka).

Discussion

Artemisia senjavinensis is known only from western Alaska (Seward Peninsula) and the Chukchi Peninsula of the Russian Far East.

References

None.

Lower Taxa

No lower taxa listed.