Difference between revisions of "Palafoxia sphacelata"
Rhodora 48: 86. 1946.
Basionym: Stevia sphacelata Nuttall ex Torrey Ann. Lyceum Nat. Hist. New York 2: 214. 1827
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|publication year=1946 | |publication year=1946 | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | ||
Revision as of 20:41, 16 December 2019
Annuals, 10–90 cm. Stems usually proximally hispid, distally stipitate-glandular. Leaf blades broadly to narrowly lanceolate, 30–90 × 3–20 mm. Involucres broadly to narrowly turbinate. Phyllaries 9–12+ × 1.5–3 mm, ± equal, ± scabrous to hispid and/or stipitate-glandular. Ray florets 3–5; corollas 15–25 mm, laminae 5–12 mm. Disc florets 15–35; corollas ± actinomorphic, 10–14 mm, throats ± funnelform, shorter than lobes. Cypselae 6–9 mm; pappus scales of inner cypselae 7–9 mm. 2n = 24.
Phenology: Flowering summer–fall.
Habitat: Sandy soils
Elevation: 1000–1800 m
Distribution
Colo., Kans., Nebr., N.Mex., Okla., Tex., Mexico (Chihuahua).
Discussion
Selected References
None.
Lower Taxa
None.