Tephroseris frigida

(Richardson) Holub

Folia Geobot. Phytotax. 8: 173. 1973.

Basionym: Cineraria frigida Richardson in J. Franklin et al., Narr. Journey Polar Sea, 748. 1823
Synonyms: Senecio atropurpureus subsp. frigidus (Richardson) Hultén Senecio atropurpureus var. ulmeri (Steffen) A. E. Porsild Senecio frigidus (Ledebour) Holub Tephroseris atropurpurea subsp. frigida (Richardson) Á. Löve & D. Löve
Treatment appears in FNA Volume 20. Treatment on page 617. Mentioned on page 615, 616.
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Perennials, (5–) 10–20 (–30+) cm (proximal herbage ± arachnose, unevenly glabrate; distal stems and phyllaries ± villous, at least some hairs purplish or with purple crosswalls; rhizomes creeping). Stems loosely clustered. Leaves basal and cauline (basal leaves often withering before flowering); petioles weakly winged or unwinged, 2–4 cm; blades ovate, 1.5–3 × 1–2 cm, margins subentire or wavy-denticulate, weakly revolute (proximal similar, petioles winged, usually 1–3 cm; mid and distal leaves 2–5, sessile, bractlike). Heads 1 (–2). Involucres tapering to peduncles. Phyllaries usually 13 or 21, greenish (tips greenish), 7–10 mm. Ray-florets usually (8) 13 or 21; corolla laminae usually 9–15 mm, rarely 0 or to 2–3 mm. Disc-florets 30–50+; corollas yellow. Cypselae glabrous; pappi white, whitish, or brownish. 2n = 48, 96.


Phenology: Flowering Jun–Aug.
Habitat: Open alpine tundra, low-shrubby associations
Elevation: 0–1000 m

Distribution

V20-1384-distribution-map.gif

B.C., N.W.T., Nunavut, Yukon, Alaska, e Asia (Russian Far East)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Tephroseris frigida"
not tailed +, rounded +  and obtuse +
papillate +
rounded-truncate +
scarious +
usually ovate +  and lance-linear +
indeterminate +  and determinate +
Theodore M. Barkley† +  and David F. Murray +
(Richardson) Holub +
decurrent +
Cineraria frigida +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
winged;nerved;ribbed +
brownish +, whitish +  and white +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
nerved +  and 10-ribbed +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
B.C. +, N.W.T. +, Nunavut +, Yukon +, Alaska +  and e Asia (Russian Far East) +
0–1000 m +
glabrate +, villous +, tomentose +, lanate +, floccose +  and arachnose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open alpine tundra, low-shrubby associations +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
cauline +  and basal +
recurved;erect +
lanceolate +  and lance-linear +
subpinnatifid +
dentate +  and entire +
wavy-denticulate +  and subentire +
2-carpellate +
brownish +, whitish +  and white +
persistent +
unwinged +  and winged +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering Jun–Aug. +
lance-linear +  and lanceolate or oblong +
unequal +  and subequal +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Folia Geobot. Phytotax. +
bearing subulate enations +, hairy +  and bristly +
dome--shaped;flat +
exalbuminous +
appendaged +  and truncate +
papillate +
Senecio atropurpureus subsp. frigidus +, Senecio atropurpureus var. ulmeri +, Senecio frigidus +  and Tephroseris atropurpurea subsp. frigida +
Tephroseris frigida +
Tephroseris +
species +
campanulate +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
vine +, tree +, shrub +  and subshrub +