Difference between revisions of "Acourtia runcinata"
Phytologia 38: 460. 1978.
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|name=Clarionia runcinata | |name=Clarionia runcinata | ||
|authority=Lagasca ex D. Don | |authority=Lagasca ex D. Don | ||
+ | |rank=species | ||
|publication_title=Trans. Linn. Soc. London | |publication_title=Trans. Linn. Soc. London | ||
|publication_place=16: 207. 1830 | |publication_place=16: 207. 1830 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Acourtia runcinata | name=Acourtia runcinata | ||
− | |||
|authority=(D. Don) B. L. Turner | |authority=(D. Don) B. L. Turner | ||
|rank=species | |rank=species | ||
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|publication year=1978 | |publication year=1978 | ||
|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_6.xml |
|tribe=Asteraceae tribe Mutisieae | |tribe=Asteraceae tribe Mutisieae | ||
|genus=Acourtia | |genus=Acourtia |
Revision as of 20:20, 16 December 2019
Plants 5–35 cm. Leaves basal; petioles 0.5–9 cm; blades oblong-oblanceolate, 2.5–23 cm, bases cuneate, margins pinnately lobed (lobes ovate), spinulose-dentate, apices acute, faces hirtellous and/or finely stipitate-glandular. Heads borne singly or 2–3 together (on scapiform peduncles). Involucres turbinate, 14–17 mm. Phyllaries in 2–4 series, lanceolate to subulate (3–15 mm), margins glandular-hairy, apices acuminate, abaxial faces glandular. Receptacles reticulate, hispidulous. Florets 25–53; corollas pink or lavender-pink, 12–22 mm. Cypselae fusiform to linear-fusiform, 4–8 mm, stipitate-glandular and/or hispidulous; pappi tan or white, 1–17 mm. 2n = ca. 54.
Phenology: Flowering year round (mostly Mar–Aug).
Habitat: Juniper forests, oak woodlands, dry matorral, desert scrub on calcareous, sandy clay, and gypsiferous soils
Elevation: 0–1600 m
Distribution
![V19-6-distribution-map.gif](/w/images/c/cf/V19-6-distribution-map.gif)
Tex., Mexico (Chihuahua, Coahuila, Hidalgo, Nuevo León, San Luis Potosí, Tamaulipas).
Discussion
Acourtia runcinata is the most widespread species of the genus, within which it is unique in possessing fasciculate, tuberous-fusiform roots. In the flora, it grows in central and southwestern Texas.
Selected References
None.