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.
Revision as of 20:25, 16 December 2019 by FNA>Volume Importer

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"
Theodore M. Barkley† +  and David F. Murray +
(Richardson) Holub +
Cineraria frigida +
B.C. +, N.W.T. +, Nunavut +, Yukon +, Alaska +  and e Asia (Russian Far East). +
0–1000 m +
Open alpine tundra, low-shrubby associations +
Flowering Jun–Aug. +
Folia Geobot. Phytotax. +
Senecio atropurpureus subsp. frigidus +, Senecio atropurpureus var. ulmeri +, Senecio frigidus +  and Tephroseris atropurpurea subsp. frigida +
Tephroseris frigida +
Tephroseris +
species +