Show Lower Taxa
Difference between revisions of "Xylorhiza tortifolia"
Pittonia 3: 48. 1896.
Basionym: Haplopappus tortifolius Torrey & A. Gray Boston J. Nat. Hist. 5: 109. 1845 (as Aplopappus)
Synonyms: Machaeranthera tortifolia (Torrey & A. Gray) Cronquist & D. D. Keck
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|name=Haplopappus tortifolius | |name=Haplopappus tortifolius | ||
|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
| + | |publication_title=Boston J. Nat. Hist. | ||
| + | |publication_place=5: 109. 1845 (as Aplopappus) | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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| − | |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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_935.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Xylorhiza | |genus=Xylorhiza | ||
Revision as of 18:45, 24 September 2019
Subshrubs, 20–60(–80) cm. Stems branched mostly in proximal 3/4, ± piloso-villous, stipitate-glandular. Leaf blades lanceolate to elliptic-oblong or oblanceolate, 3–20(–25) mm wide, bases often subclasping or sometimes attenuate and not clasping, margins flat, sharply spinulose-toothed, faces loosely villous or glabrous, stipitate-glandular. Peduncles 5–25 cm. Involucres 12–20 × 15–20(–30) mm. Ray florets (15–)18–60(–85); corollas usually lavender, seldom white. Style-branch appendages shorter than stigmatic lines.
Distribution
sw United States.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Stems, leaves, and involucres glabrous, stipitate-glandular; leaf margins sparsely piloso-villous to puberulent | Xylorhiza tortifolia var. imberbis |
| 1 | Stems, leaves, and involucres piloso-villous to puberulent, finely stipitate-glandular | Xylorhiza tortifolia var. tortifolia |