Porophyllum ruderale ssp. macrocephalum (DC.) R.R. Johnson
Family: Asteraceae
Synonyms: Kleinia glandulosa Moc. & Sessé;
Porophyllum latifolium Benth.; Porophyllum macrocephalum DC.;
Porophyllum ruderale (Jacq.) Cass. var. macrocephalum (DC.) Cronq.
Diagnostic Features: Annual, glabrous, leaves broadly ovate
to obovate.
Distribution: Arizona, New Mexico, Texas, south to central
South America.
Plants Seen or Cited:
UNM Specimens: New Mexico, Hidalgo County. Animas Mountains. Wagner, 1574. 9-14-75.
Habitat: Dry slopes, washes, and roadsides.
Comments: This is a very widespread plant in Central and
South America. It is a peripheral in New Mexico (Animas Mtns.)
Status: The taxon is peripheral in New Mexico and otherwise widespread. It
should be removed from the list.
Important Literature:
Bretting, P. and E. Hernandex X. 1982. Papaloquelite
y la etnobotanica de las especies de Porophyllum en Mexico. Biotica
7:191-203.
Correll, D. and M. Johnston. 1970. Manual of the Vascular
Plants of Texas. Texas Res. Foundation
Information Compiled By: Timothy K. Lowrey, 1998
