Difference between revisions of "Psilactis brevilingulata"
Diagn. Pl. Nov. Mexic. 2: 34. 1879.
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|name=Aster brevilingulatus | |name=Aster brevilingulatus | ||
|authority=(Schultz-Bipontinus ex Hemsley) McVaugh | |authority=(Schultz-Bipontinus ex Hemsley) McVaugh | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Machaeranthera brevilingulata | |name=Machaeranthera brevilingulata | ||
|authority=(Schultz-Bipontinus ex Hemsley) B. L. Turner & D. B. Horne | |authority=(Schultz-Bipontinus ex Hemsley) B. L. Turner & D. B. Horne | ||
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}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Psilactis;Psilactis brevilingulata | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Psilactis;Psilactis brevilingulata | ||
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name=Psilactis brevilingulata | name=Psilactis brevilingulata | ||
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|authority=Schultz-Bipontinus ex Hemsley | |authority=Schultz-Bipontinus ex Hemsley | ||
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|publication year=1879 | |publication year=1879 | ||
|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_1068.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Psilactis | |genus=Psilactis | ||
Revision as of 19:24, 16 December 2019
Annuals, 15–75 cm. Stems and branches stipitate-glandular, more densely distally, often also with appressed or erect hairs. Distal leaf blades sessile, lanceolate to linear-lanceolate, smallest 2–10 × 0.5–1.5 mm. Involucres broadly turbinate to hemispheric, 2–4 mm. Phyllaries lanceolate to linear, slightly unequal, 1.5–3.5 × 0.2–0.6 mm, bases indurate, margins scarious. Receptacles flat to convex, 1.5–2.5 mm diam. Ray florets 15–40; laminae 1–4 × 0.2–0.5 mm. Disc florets 15–35; corollas 1.5–2.5 mm. Ray cypselae 1–1.5 mm, moderately appressed-hairy. Disc cypselae 1.3–2 mm, moderately appressed-hairy; pappi 20–25, 2–2.5 mm. 2n = 18 (Mexico).
Phenology: Flowering May–Oct.
Habitat: Fields, roadsides, stream banks, open areas in oak and pine-oak woodlands
Elevation: 1300–2100 m
Distribution
Ariz., N.Mex., Tex., Mexico, South America (Colombia, Peru).
Discussion
In the flora area, Psilactis brevilingulata occurs in the Chihuahuan Desert regions of southeastern Arizona, southwestern New Mexico, and western Texas.
Selected References
None.