Acourtia wrightii

(A. Gray) Reveal & R. M. King

Phytologia 27: 232. 1973.

Common names: Brownfoot
Basionyms: Perezia wrightii A. Gray Smithsonian Contr. Knowl. 3(5): 127. 1852
Treatment appears in FNA Volume 19. Treatment on page 74. Mentioned on page 73.

Plants 30–120 cm. Leaves cauline; sessile; blades oblong-lanceolate to elliptic-oblong, 2.5–13 cm, bases sagittate or clasping, margins dentate to denticulate, faces minutely stipitate-glandular and/or hirtellous (reticulate). Heads in corymbiform arrays. Involucres turbinate, 5–8 mm. Phyllaries in 2–3 series, linear to lanceolate, margins fimbrillate-glandular, apices obtuse to acute, abaxial faces glabrous or glandular-hairy. Receptacles reticulate (edges of sockets glandular). Florets 8–12; corollas pink or purple, 9–20 mm. Cypselae linear-fusiform, 2–6 mm, glandular-puberulent; pappi bright white, 9–12 mm. 2n = 54.


Phenology: Flowering Jun–Nov.
Habitat: Gravel, caliche, or sandy loamy soils in open desert (Lower Sonoran Desert)
Elevation: 400–1400 m

Distribution

V19-9-distribution-map.gif

Ariz., N.Mex., Tex., Utah, Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Sonora), Mexico (Zacatecas)

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Acourtia wrightii"
glandular-hairy +  and glabrous +
scarious +
indeterminate +  and determinate +
Beryl B. Simpson +
(A. Gray) Reveal & R. M. King +
rounded +  and elongate +
sagittate +
Perezia wrightii +
compound +  and simple +
oblong-lanceolate;elliptic-oblong +
2.5 cm25 mm <br />0.025 m <br /> (13 cm130 mm <br />0.13 m <br />) +
ribbed;smooth +
less barbellate +  and nearly smooth +
white +  and tan +
Brownfoot +
purple +  and pink +
0.9 cm9 mm <br />0.009 m <br /> (2 cm20 mm <br />0.02 m <br />) +
ribbed +  and not beaked +
glandular-puberulent +
linear-fusiform +
Ariz. +, N.Mex. +, Tex. +, Utah +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +, Mexico (Sonora) +  and Mexico (Zacatecas) +
400–1400 m +
hirtellous +  and stipitate-glandular +
pistillate +, staminate +  and neuter +
fertile +  and bisexual +
winged +  and beaked +
dispersed +
Gravel, caliche, or sandy loamy soils in open desert (Lower Sonoran Desert) +
in paniculiform or corymbiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
serrate +  and dentate +
dentate +  and denticulate +
2-carpellate +
bright white +
persistent +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering Jun–Nov. +
connate +  and distinct +
reticulate +, alveolate +  and foveolate +
convex;flat;convex;flat;concave +
barbellulate +  and smooth +
plumose +, subulate +  and setiform +
exalbuminous +
prostrate +  and ascending +
appendaged +  and truncate +
hairy +  and glabrous +
papillate +
Compositae +
Acourtia wrightii +
Acourtia +
species +
50 cm500 mm <br />0.5 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
5 cm50 mm <br />0.05 m <br /> (50 cm500 mm <br />0.5 m <br />) +