Chloracantha spinosa var. spinosa
Treatment appears in FNA Volume 20. Treatment on page 358.
Revision as of 15:27, 18 September 2019 by FNA>Volume Importer
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.