EcoFlora - Palafoxia callosa

Palafoxia callosa Torr. & A. Gray
Family: Asteraceae Small Palafox [Othake callosa, more]	FNA Resources John L. Strother in Flora of North America (vol. 21) Annuals, 20-60 cm. Stems scabrous to glabrate, not stipitate-glandular. Leaf blades linear, 20-70 × 1-4 mm. Involucres ± turbinate. Phyllaries 3-5 × 1+ mm, ± equal, ± strigillose, not stipitate-glandular. Ray florets 0. Disc florets 5-30; corollas actinomorphic, 5-6 mm, throats ± funnelform, shorter than lobes. Cypselae 3-5 mm; pappus scales of inner cypselae 0.3-1 mm. 2n = 20. Flowering summer-fall. Rocky, calcareous soils; 50-300 m; Ark., Mo., Tex.; Mexico (Coahuila). Some depauperate specimens of Palafoxia rosea (e.g., Oklahoma, Beckham Co., 17 Oct 1936, Eskero 1502, US) closely resemble P. callosa.
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