Artemisia senjavinensis

Besser

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

Illustrated
Synonyms: Ajania senjavinensis (Besser) Poljakov Artemisia androsacea Seemann
Treatment appears in FNA Volume 19. Treatment on page 532. Mentioned on page 521, 526.

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

V19-923-distribution-map.gif

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

Discussion

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

Selected References

None.

Lower Taxa

None.
... more about "Artemisia senjavinensis"
not tailed +  and obtuse +
scarious +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Leila M. Shultz +
Besser +
decurrent +
compound +  and simple +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
lobed;oblanceolate +
0.5cm;0.7cm +
fertile +  and bisexual +
zygomorphic +, actinomorphic +  and (3-)5-merous +
tan +  and yellow +
1.5 +  and 2 +
winged +  and monomorphic +
linear-oblong +
fertile +  and bisexual +
fertile +  and bisexual +
Alaska +, e Asia (Russian Far East) +  and e Asia (Chukotka) +
0–600 m +
gland-dotted +
densely tomentose +  and sericeous +
peripheral +
winged +  and beaked +
dispersed +
Open calcareous gravelly slopes in tundra or heath, sandy slopes above high tide +
spiciform +  and racemiform +
in subcapitate clusters +  and singly +
indeterminate +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
heterogamous +  and homogamous +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
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 />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +  and petiolate +
persistent +  and deciduous +
deltate +
entire +  and dentate +
2-carpellate +
persistent +
Flowering mid–late summer. +
2 +  and 20 +
Nouv. Mém. Soc. Imp. Naturalistes Moscou +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
Illustrated +
gray-green +
1 +  and 9 +
wand-like +
appendaged +  and truncate +
papillate +
Ajania senjavinensis +  and Artemisia androsacea +
Artemisia senjavinensis +
Artemisia subg. Artemisia +
species +
funnel +  and subglobose +
cylindric +
fibrous-rooted +  and taprooted +
30 cm300 mm <br />0.3 m <br /> (90 cm900 mm <br />0.9 m <br />) +
shrub +  and subshrub +