Department of Biology
ESC 350
200 University Ave. W
Waterloo, Ontario, Canada N2L 3G1
Phone: (519) 888-4567 ext. 32569
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Heterotheca sessiliflora var. sessiliflora is the southern most race of the species. It occurs near the coast from the Los Angeles area south into Baja California Norte, Mexico. Its leaves can vary from sparsely-hairy and densely glandular to densely-hairy and sparsely-glandular. Mexican plants can be subshrubs and more than a meter tall. This is the type species of sect. Phyllotheca.
Last update 19 May 2023 by J.C. Semple
© 2023 J.C. Semple, including all photographs unless otherwise indicated