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FNA Vol. 19, 20 and 21 Page 72, 73, 74 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Acourtia

4. Acourtia wrightii (A. Gray) Reveal & R. M. King, Phytologia. 27: 232. 1973.

Brownfoot

Perezia wrightii A. Gray, Smithsonian Contr. Knowl. 3(5): 127. 1852

Plants 30–120 cm. Leaves cau-line; 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.

Flowering Jun–Nov. Gravel, caliche, or sandy loamy soils in open desert (Lower Sonoran Desert); 400–1400 m; Ariz., N.Mex., Tex., Utah; Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sonora, Zacatecas).


 

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