Difference between revisions of "Acourtia nana"
Phytologia 27: 230. 1973.
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|name=Perezia nana | |name=Perezia nana | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Mem. Amer. Acad. Arts, n. s. | |publication_title=Mem. Amer. Acad. Arts, n. s. | ||
|publication_place=4: 111. 1849 | |publication_place=4: 111. 1849 | ||
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name=Acourtia nana | name=Acourtia nana | ||
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|authority=(A. Gray) Reveal & R. M. King | |authority=(A. Gray) Reveal & R. M. King | ||
|rank=species | |rank=species | ||
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|publication year=1973 | |publication year=1973 | ||
|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/V19_7.xml |
|tribe=Asteraceae tribe Mutisieae | |tribe=Asteraceae tribe Mutisieae | ||
|genus=Acourtia | |genus=Acourtia | ||
Revision as of 19:21, 16 December 2019
Plants 2.5–30 cm, (divaricately branching). Leaves cauline; sessile; blades rhombic-orbiculate to suborbiculate, 10–50 mm, bases cuneate, margins coarsely and irregularly prickly-dentate, faces glabrous (reticulate). Heads borne singly (at branch tips). Involucres campanulate, 14–17 mm. Phyllaries in 4 series, broadly ovate, margins glandular, apices acute to mucronate, abaxial faces glabrous. Receptacles reticulate (sockets separated by squarish, apically pubescent paleae 1 mm). Florets 15–24; corollas lavender-pink or white, 10–17 mm. Cypselae subcylindric, 3–7.5 mm, densely stipitate-glandular; pappi white or tawny, 10–15 mm. 2n = 54.
Phenology: Flowering (Mar–)Apr(–Jun).
Habitat: Gravel, sandstone, silty, or caliche soils in desert scrub
Elevation: 0–1800 m
Distribution
Ariz., N.Mex., Tex., Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí, Sonora, Zacatecas).
Discussion
Acourtia nana grows primarily in the trans-Pecos and western Edwards Plateau.
Selected References
None.