Difference between revisions of "Xylorhiza linearifolia"
Sida 20: 145. 2002.
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|name=Xylorhiza glabriuscula var. linearifolia | |name=Xylorhiza glabriuscula var. linearifolia | ||
|authority=T. J. Watson | |authority=T. J. Watson | ||
| + | |rank=variety | ||
|publication_title=Brittonia | |publication_title=Brittonia | ||
|publication_place=29: 215. 1977 | |publication_place=29: 215. 1977 | ||
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|name=Machaeranthera linearifolia | |name=Machaeranthera linearifolia | ||
|authority=(T. J. Watson) Cronquist | |authority=(T. J. Watson) Cronquist | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Xylorhiza;Xylorhiza linearifolia | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Xylorhiza;Xylorhiza linearifolia | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Xylorhiza linearifolia | name=Xylorhiza linearifolia | ||
| − | |||
|authority=(T. J. Watson) G. L. Nesom | |authority=(T. J. Watson) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|publication year=2002 | |publication year=2002 | ||
|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/V20_932.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Xylorhiza | |genus=Xylorhiza | ||
Revision as of 20:31, 16 December 2019
Subshrubs, 15–35 cm. Stems branched mostly in proximal 3/4, puberulent to coarsely stipitate-glandular. Leaves: blades linear-oblong to linear-lanceolate, (2–)2.5–5 mm wide, bases truncate or rounded-auriculate, margins flat, usually entire, rarely few-toothed, faces puberulent to coarsely stipitate-glandular. Peduncles 3–11 cm. Involucres 10–17 × 15–30 mm. Ray florets 13–21; corollas light blue to white. Style-branch appendages slightly shorter to ± equaling stigmatic lines. 2n = 12, 24.
Phenology: Flowering Apr–May(–Jun).
Habitat: Deep canyons, sands, and clays
Elevation: 1300–2000 m
Discussion
Xylorhiza linearifolia is known from Garfield, Grand, San Juan, and Wayne counties. Plants with few-toothed leaf margins may be indicative of hybridization with X. tortifolia, which is sympatric with X. linearifolia in the southern part of its range.
Selected References
None.