Difference between revisions of "Arnica spathulata"
Pittonia 3: 103. 1896.
Common names: Klamath arnica
Endemic
Synonyms: Arnica eastwoodiae Rydberg Arnica spathulata subsp. eastwoodiae (Rydberg) Maguire Arnica spathulata var. eastwoodiae (Rydberg) Ediger & T. M. Barkley
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|publication year=1896 | |publication year=1896 | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | ||
Latest revision as of 20:15, 5 November 2020
Plants 15–45+ cm. Stems simple or branched. Leaves 3–5 pairs, sometimes crowded toward bases (basal leaves often persistent on sterile rosettes); petiolate (petioles mostly broadly winged, 1–9 × 0.2–1.5 cm); blades elliptic-ovate to spatulate, 2–8 × 1–4 cm, margins subentire to mostly irregularly dentate, apices acute, faces sparsely to densely villous, stipitate-glandular. Heads 1, or 3–9(–25). Involucres turbinate-campanulate. Phyllaries 8–15, broadly to narrowly lanceolate. Ray florets 0. Disc florets 15–50; corollas yellow; anthers yellow. Cypselae black, 5–10 mm, sparsely stipitate-glandular; pappi white, bristles barbellate. 2n = 38, 76.
Phenology: Flowering Apr–Jul.
Habitat: Usually serpentine soils, open, dry oak–conifer forests, disturbed areas
Elevation: 200–1500 m
Discussion
Selected References
None.
Lower Taxa
None.