Flora of North America species comparison

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Palafoxia callosa

small palafox, small palafoxia
Habit Annuals, 20–60 cm.
Stems

scabrous to glabrate, not stipitate-glandular.
Leaf

blades linear, 20–70 × 1–4 mm.
Involucres

± turbinate.
Ray florets

0.
Disc florets

5–30;

corollas actinomorphic, 5–6 mm, throats ± funnelform, shorter than lobes.
Phyllaries

3–5 × 1+ mm, ± equal, ± strigillose, not stipitate-glandular.
Cypselae

3–5 mm;

pappus scales of inner cypselae 0.3–1 mm.
2n

= 20.

Palafoxia callosa
Phenology Flowering summer–fall.
Habitat Rocky, calcareous soils
Elevation 50–300 m (200–1000 ft)
Distribution
from FNA
AR; MO; TX; Mexico (Coahuila)
[WildflowerSearch map]
[BONAP county map]
Discussion

Some depauperate specimens of Palafoxia rosea (e.g., Oklahoma, Beckham Co., 17 Oct 1936, Eskero 1502, US) closely resemble P. callosa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 390.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Palafoxia
Sibling taxa
P. arida, P. feayi, P. hookeriana, P. integrifolia, P. reverchonii, P. riograndensis, P. rosea, P. sphacelata, P. texana
Synonyms Stevia callosa
Name authority (Nuttall) Torrey & A. Gray: Fl. N. Amer. 2: 369. (1842)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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