Difference between revisions of "Arnica dealbata"
Novon 9: 460. 1999.
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|name=Whitneya dealbata | |name=Whitneya dealbata | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Proc. Amer. Acad. Arts | |publication_title=Proc. Amer. Acad. Arts | ||
|publication_place=6: 550. 1865 | |publication_place=6: 550. 1865 | ||
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name=Arnica dealbata | name=Arnica dealbata | ||
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|authority=(A. Gray) B. G. Baldwin | |authority=(A. Gray) B. G. Baldwin | ||
|rank=species | |rank=species | ||
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|publication year=1999 | |publication year=1999 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_941.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | ||
Revision as of 20:40, 16 December 2019
Plants 15–35 cm. Stems mostly simple. Leaves 3–8 pairs, mostly crowded toward bases; petiolate (at least proximal); blades elliptic to oblanceolate or obovate, 5–10 × 0.5–3.5 cm, margins entire, apices acute, faces densely hairy (hairs relatively short, curly) and sessile-glandular (distal leaves sessile, much reduced). Heads 1–6. Involucres campanulate to hemispheric. Phyllaries 5–12 (in 1 series), oblong or elliptic. Ray florets 5–12; corollas yellow. Disc florets (functionally staminate): corollas yellow; anthers yellow (styles rarely exserted). Cypselae brown to black, 4–10 mm, sparsely to densely hirsute (hairs usually simple, rarely duplex) and sparsely stipitate-glandular; pappi 0. 2n = 38, 76.
Phenology: Flowering Jun–Aug.
Habitat: Open forests, meadows, slopes
Elevation: 1200–2400 m
Discussion
Although Arnica dealbata lacks pappi, morphologic, cytologic, and molecular data (B. G. Baldwin and B. L. Wessa 2000; Baldwin et al. 2002) clearly support its inclusion in Arnica.
Selected References
None.