Difference between revisions of "Porophyllum scoparium"
Smithsonian Contr. Knowl. 3(5): 119. 1852.
Treatment appears in FNA Volume 21. Treatment on page 234.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Latest revision as of 20:13, 5 November 2020
Subshrubs or shrubs, 20–60+ cm; internodes mostly 10–30 mm. Leaf blades mostly filiform, 10–40 × 1–2 mm. Phyllaries 7–10, oblanceolate to linear, 6–10 mm. Florets mostly 40–80+; corollas yellow, 5–8 mm. Cypselae 3.5–5.5 mm; pappi: longer bristles 6–7.5 mm. 2n = 24.
Phenology: Flowering spring–fall.
Habitat: Sandy, gravelly, and rocky sites, calcareous or igneous soils, with desert scrub
Elevation: 500–1400 m
Distribution
N.Mex., Tex., Mexico (Chihuahua, Coahuila, Nuevo León).
Discussion
Selected References
None.
Lower Taxa
None.