Difference between revisions of "Palafoxia rosea"

(Bush) Cory

Rhodora 48: 86. 1946.

IllustratedEndemic
Basionym: Othake roseum Bush Trans. Acad. Sci. St. Louis 14: 175. 1904
Synonyms: Palafoxia rosea var. macrolepis (Rydberg) B. L. Turner & M. I. Morris
Treatment appears in FNA Volume 21. Treatment on page 391. Mentioned on page 388, 389.
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|tribe=Asteraceae tribe Heliantheae
 
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Revision as of 21:03, 27 May 2020

Annuals, 10–50 cm. Stems scabrous to glabrate, not stipitate-glandular. Leaf blades linear-lanceolate, 30–60 × 2–6(–10) mm. Involucres ± turbinate. Phyllaries 5–10 × 1–2.5 mm, ± equal, usually scabrellous and stipitate-glandular. Ray florets 0. Disc florets 5–30; corollas actinomorphic, 7–10 mm, throats ± funnelform, shorter than lobes. Cypselae 5–8 mm; pappus scales of inner cypselae (1.5–)3–8 mm. 2n = 20.


Phenology: Flowering spring–fall.
Habitat: Sandy soils
Elevation: 100–1500 m

Distribution

V21-985-distribution-map.gif

Colo., Kans., N.Mex., Okla., Tex., Wyo.

Discussion

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.

Selected References

None.

Lower Taxa

None.