The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

desert palafox, Spanish needle

Habit Annuals, 10–200 cm.

scabrous to nearly glabrous, sometimes distally stipitate-glandular.


blades lance-linear to linear, 20–120 × 2–55 mm.


cylindric to narrowly turbinate.

Ray florets


Disc florets


corollas ± actinomorphic, 9–13 mm, throats ± cylindric, longer than lobes.


± equal, 10–25 × 1–2.5 mm, ± scabrous, sometimes stipitate-glandular.


10–16 mm;

pappus scales of inner cypselae 8–12 mm.


= 24.

Palafoxia arida

Phenology Flowering late winter–spring(–summer).
Habitat Sandy soils
Elevation 30–1000 m [100–3300 ft]

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.)

from FNA
AZ; CA; NV; UT; Mexico (Baja California, Sonora)
[WildflowerSearch map]
[BONAP county map]
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Palafoxia
Sibling taxa
P. callosa, P. feayi, P. hookeriana, P. integrifolia, P. reverchonii, P. riograndensis, P. rosea, P. sphacelata, P. texana
Synonyms P. arida var. gigantea
Name authority B. L. Turner & M. I. Morris: Madroño 23: 79. (1975)
Source Flora of North America vol. 21, p. 390.
Web links