Tephroseris lindstroemii |
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fuscate groundsel, lindstr�m's woolly-groundsel, northern groundsel, twice-hairy butterweed |
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Habit | Perennials, 10–25(–50) cm (white or gray, floccose- or lanate-tomentose, hairs somewhat matted, sometimes with closely appressed hairs beneath the matted hairs, unevenly glabrate, especially proximal stems, adaxial faces of leaves, and phyllaries; rhizomes creeping or suberect). |
Stems | single or loosely clustered. |
Leaves | basal and cauline; petioles winged (passing into blades); blades lanceolate to ovate, 3–6(–10) × 1–2.5 cm, margins wavy or subentire to denticulate (cauline similar, narrower, sessile, weakly-clasping, bractlike). |
Involucres | ± abruptly contracted to peduncles. |
Ray florets | usually 13 or 21; corolla laminae 10–15(–20) mm. |
Disc florets | 50–80+; corollas orange or orange-yellow. |
Phyllaries | usually 21, purplish (most of lengths, glabrate), (5–)7–10 mm. |
Heads | 1–4(–6 +). |
Cypselae | pubescent; pappi white. |
2n | = 46, 48. |
Tephroseris lindstroemii |
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Phenology | Flowering Jun–Aug. |
Habitat | Alpine meadows, open tundra |
Elevation | 1000–3200 m (3300–10500 ft) |
Distribution |
AK; MT; WY; BC; NT; YT; e Asia (Russian Far East)
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Discussion | For Russia, S. S. Kharkevich (1985+, vol. 6) and I. M. Krasnoborov et al. (1987+, vol. 13) treated this taxon as T. tundricola subsp. lindstroemii. It has been widely known in American literature as Senecio fuscatus, a misapplied name. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 618. |
Parent taxa | Asteraceae > tribe Senecioneae > Tephroseris |
Sibling taxa | |
Synonyms | Senecio integrifolius var. lindstroemii, Senecio bivestitus, Senecio lindstroemii, Senecio tundricola subsp. lindstroemii, T. tundricola subsp. lindstroemii |
Name authority | (Ostenfeld) Á Löve & D. Löve: Bot. Not. 128: 520. (1976) |
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