Difference between revisions of "Porophyllum gracile"
Bot. Voy. Sulphur, 29. 1844.
Illustrated
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 21:13, 5 November 2020
Subshrubs or shrubs, 20–70 cm; internodes mostly 10–30 mm. Leaf blades linear to filiform, 20–50 × 1–5 mm. Phyllaries 5, oblong to linear, 9–15 mm. Florets (5–)12–30; corollas whitish to purplish, 6–9 mm. Cypselae 6–10 mm; pappi: longer bristles 7–9 mm. 2n = 48.
Phenology: Flowering late winter–early summer; fall.
Habitat: Sandy, gravelly, and rocky sites (usually granitic) with desert scrub
Elevation: 200–2100 m
Distribution
Ariz., Calif., N.Mex., Tex., Mexico (Baja California, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.