Difference between revisions of "Chloracantha spinosa var. spinosa"
Treatment appears in FNA Volume 20. Treatment on page 358.
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Revision as of 21:30, 16 December 2019
Stems 50–120(–150) cm, usually thorny proximally but armament of distal portions variable among populations, some producing only thornless, wandlike branches. Leaves mostly 10–40 mm. Involucres 4–5.5(–6) mm. Ray floret laminae 3.5–5(–7) mm. 2n = 18.
Phenology: Flowering (May–)Aug–Nov.
Habitat: Riverbanks, freshwater swamps, bottomlands, low prairies, saline flats, ditches, irrigation channels
Elevation: 0–1200(–1500) m
Distribution
Ariz., Calif., La., Nev., N.Mex., Okla., Tex., Utah, Mexico.
Discussion
Selected References
None.
Lower Taxa
None.