Palafoxia arida
Palafoxia feayi
desert palafox, Spanish needle
Feay's palafox
scabrous to nearly glabrous, sometimes distally stipitate-glandular.
strigillose to nearly glabrous, not stipitate-glandular.
blades lance-linear to linear, 20–120 × 2–55 mm.
blades narrowly elliptic, broadly oblong, or ovate, 20–60 × 5–25 mm.
cylindric to narrowly turbinate.
campanulate or broadly to narrowly turbinate.
0.
0.
9–40;
corollas ± actinomorphic, 9–13 mm, throats ± cylindric, longer than lobes.
15–30;
corollas ± actinomorphic, 10–14 mm, throats ± cylindric, longer than lobes.
± equal, 10–25 × 1–2.5 mm, ± scabrous, sometimes stipitate-glandular.
5–9 × 1–1.5 mm, ± equal, ± strigillose.
10–16 mm;
pappus scales of inner cypselae 8–12 mm.
6–8 mm;
pappus scales of inner cypselae 1.5–2 mm.
= 24.
= 24.
Palafoxia arida
Palafoxia feayi
Plants of Palafoxia arida 90–150 cm with phyllaries 16–25 mm (from dunes west of Yuma, Arizona) have been treated as var. gigantea. Plants referable to P. arida have been named P. linearis (Cavanilles) Lagasca (including var. gigantea M. E. Jones) in other floras; P. linearis is a Mexican species (see B. L. Turner and M. I. Morris 1976).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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