A. Gray

in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 74. 1859.

Etymology: Greek peuke, pine or fir, and phyllon, leaf
Treatment appears in FNA Volume 21. Treatment on page 378. Mentioned on page 364, 365.

Shrubs or treelets, mostly 100–300 cm. Stems (1–5+), branched. Leaves cauline; alternate; sessile; blades linear-filiform, rarely with 1–2 lateral lobes, ultimate margins entire, faces glabrous, gland-dotted. Heads discoid, borne singly. Involucres turbinate to campanulate, 6–12 mm diam. Phyllaries persistent or tardily falling, 8–18 in ± 2 series (linear to lanceolate, outer intergrading with subtending leaves). Receptacles flat, pitted or knobby, epaleate. Ray florets 0. Disc florets 12–21, bisexual, fertile; corollas creamy yellow, distally purplish (stipitate-glandular), tubes shorter than cylindric throats, lobes 5, erect, deltate (style-branch appendages rounded-truncate, papillate). Cypselae obconic to obpyramidal, hirsute (hairs tawny to reddish); pappi persistent, of 30–60 bristles subtending 15–20 subulate-aristate scales, or of ca. 120 bristles. x = 10.


sw United States, nw Mexico.


Species 1.

Selected References


... more about "Peucephyllum"
John L. Strother +
A. Gray +
sw United States +  and nw Mexico. +
Greek peuke, pine or fir, and phyllon, leaf +
in W. H. Emory, Rep. U.S. Mex. Bound. +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Peucephyllum +
Asteraceae (tribe Heliantheae) subtribe Chaenactidinae +