Palafoxia arida
Palafoxia rosea
desert palafox, Spanish needle
pink palafoxia, rosy palafox
scabrous to nearly glabrous, sometimes distally stipitate-glandular.
scabrous to glabrate, not stipitate-glandular.
blades lance-linear to linear, 20–120 × 2–55 mm.
blades linear-lanceolate, 30–60 × 2–6(–10) mm.
cylindric to narrowly turbinate.
± turbinate.
0.
0.
9–40;
corollas ± actinomorphic, 9–13 mm, throats ± cylindric, longer than lobes.
5–30;
corollas actinomorphic, 7–10 mm, throats ± funnelform, shorter than lobes.
± equal, 10–25 × 1–2.5 mm, ± scabrous, sometimes stipitate-glandular.
5–10 × 1–2.5 mm, ± equal, usually scabrellous and stipitate-glandular.
10–16 mm;
pappus scales of inner cypselae 8–12 mm.
5–8 mm;
pappus scales of inner cypselae (1.5–)3–8 mm.
= 24.
= 20.
Palafoxia arida
Palafoxia rosea
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.)
Plants of Palafoxia rosea with phyllaries 7–10 (versus 5–7) mm and pappus scales 3–8 (versus 1–3) mm have been treated as var. macrolepis. Some specimens are not readily assignable to either variety, and some are not readily assignable to either P. rosea or P. texana. Other specimens referred here to P. rosea closely resemble P. callosa.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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