Arnica lonchophylla

Greene
Pittonia 4: 164. 1900.
Common names: Longleaf arnica northern arnica arnica lonchophylle
Endemic
Synonyms: Arnica alpina subsp. lonchophylla (Greene) G. W. Douglas & Ruyle-Douglas Arnica angustifolia subsp. lonchophylla (Greene) G. W. Douglas & Ruyle-Douglas Arnica arnoglossa Greene Arnica chionopappa Fernald Arnica gaspensis Fernald Arnica lonchophylla subsp. arnoglossa (Greene) Maguire Arnica lonchophylla subsp. chionopappa (Fernald) Maguire
Treatment appears in FNA Volume 21. Treatment on page 370. Mentioned on page 368.

Plants 12–50 cm. Stems usually simple, rarely branched. Leaves 3–7 pairs, mostly cauline; petiolate (petioles, at least proximal, relatively narrow, ± equaling blades); blades narrowly to broadly lanceolate or ovate, 3.5–14 × 0.5–3.7 cm, margins regularly dentate or denticulate, apices acute, faces glabrous or moderately pilose, sparsely to densely stipitate-glandular. Heads 3–8 (erect). Involucres campanulate-turbinate. Phyllaries 6–14, lanceolate (apices acute). Ray florets 6–17; corollas yellow. Disc florets: corollas yellow; anthers yellow. Cypselae gray to brown, 3–6 mm, densely hirsute, sometimes stipitate-glandular; pappi white, bristles barbellate. 2n = 38, 57, 76.


Phenology: Flowering June–Aug.
Habitat: Dry to mesic, open montane slopes, open woodlands, stream gravels, shorelines, calcareous rocky outcrops, to lowland Arctic tundra
Elevation: 0–1500 m

Distribution

V21-922-distribution-map.gif

Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon, Alaska, S.Dak., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Arnica lonchophylla"
Steven J. Wolf +
Greene +
Longleaf arnica +, northern arnica +  and arnica lonchophylle +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, S.Dak. +  and Wyo. +
0–1500 m +
Dry to mesic, open montane slopes, open woodlands, stream gravels, shorelines, calcareous rocky outcrops, to lowland Arctic tundra +
Flowering June–Aug. +
Arnica alpina subsp. lonchophylla +, Arnica angustifolia subsp. lonchophylla +, Arnica arnoglossa +, Arnica chionopappa +, Arnica gaspensis +, Arnica lonchophylla subsp. arnoglossa +  and Arnica lonchophylla subsp. chionopappa +
Arnica lonchophylla +
species +