Difference between revisions of "Xylorhiza wrightii"
Pittonia 3: 47. 1896.
Common names: Big Bend woody-aster
Basionym: Aster wrightii A. Gray Smithsonian Contr. Knowl. 5(6): 75. 1853
Synonyms: Machaeranthera wrightii (A. Gray) Cronquist & D. D. Keck
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|name=Aster wrightii | |name=Aster wrightii | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Smithsonian Contr. Knowl. | |publication_title=Smithsonian Contr. Knowl. | ||
|publication_place=5(6): 75. 1853 | |publication_place=5(6): 75. 1853 | ||
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|name=Machaeranthera wrightii | |name=Machaeranthera wrightii | ||
|authority=(A. Gray) Cronquist & D. D. Keck | |authority=(A. Gray) Cronquist & D. D. Keck | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Xylorhiza;Xylorhiza wrightii | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Xylorhiza;Xylorhiza wrightii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Xylorhiza wrightii | name=Xylorhiza wrightii | ||
| − | |||
|authority=(A. Gray) Greene | |authority=(A. Gray) Greene | ||
|rank=species | |rank=species | ||
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|publication year=1896 | |publication year=1896 | ||
|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_938.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Xylorhiza | |genus=Xylorhiza | ||
Revision as of 20:31, 16 December 2019
Subshrubs or perennials, (15–)20–40(–54) cm. Stems branched mostly in proximal 3/4, glabrous, densely stipitate-glandular. Leaf blades spatulate to obovate or oblong, rarely elliptic, 5–24 mm wide, bases attenuate, not clasping, margins flat, toothed to entire (densely short-ciliate), faces densely stipitate-glandular, otherwise glabrous. Peduncles 5–10 cm. Involucres (20–)25–35(–40) × (20–)28–40(–48) mm. Ray florets (18–)24–32(–34); corollas usually light blue to purple, rarely white. Style-branch appendages equaling or shorter than stigmatic lines. 2n = 12.
Phenology: Flowering Mar–May.
Habitat: Barren areas, alkaline, rocky-clay soil, gypsum or limestone flats, shaly slopes, rocky hills, dominated by saltbush, creosote bush, catclaw, and yucca
Elevation: 700–1100 m
Distribution
Tex., Mexico (Chihuahua).
Discussion
Selected References
None.
Lower Taxa
None.