Senecio flaccidus var. flaccidus

Synonyms: Senecio douglasii var. jamesii (Bentham) L. D. Benson Senecio douglasii var. longilobus Senecio longilobus
Treatment appears in FNA Volume 20. Treatment on page 559. Mentioned on page 558.
Revision as of 20:24, 16 December 2019 by FNA>Volume Importer

Herbage usually tomentose (hairs whitish), sometimes unevenly glabrescent. calyculi: bractlets minute or 0. involucres cylindric or weakly campanulate. phyllaries ± 13 (± 21), 5– 8+ mm.


Phenology: Flowering mostly summer–fall, less frequently spring.
Habitat: Dry, open sandy or rocky plains, streambeds, and canyons
Elevation: 800–2400 m

Distribution

V20-1239-distribution-map.gif

Ariz., Colo., Kans., N.Mex., Okla., Tex., Utah, Mexico.

Discussion

Senecio flaccidus var. flaccidus intergrades at least to some extent with var. monoensis in areas of overlapping ranges; a case could be made for treating the two as distinct species, as done by A. Cronquist (1994).

Selected References

None.

Lower Taxa

None.
Theodore M. Barkley† +
Lessing +
Ariz. +, Colo. +, Kans. +, N.Mex. +, Okla. +, Tex. +, Utah +  and Mexico. +
800–2400 m +
Dry, open sandy or rocky plains, streambeds, and canyons +
Flowering mostly summer–fall, less frequently spring. +
Illustrated +
Senecio douglasii var. jamesii +, Senecio douglasii var. longilobus +  and Senecio longilobus +
Senecio flaccidus var. flaccidus +
Senecio flaccidus +
variety +