Heterotheca sessiliflora var. bolanderioides

Heterotheca sessiliflora var. bolanderioides Semple is serpentine soil endemic to the hill tops around San Francisco Bay. It is a member of subsp. echioides and is the only tetraploid taxon in the species.

Heterotheca sessiliflora bolanderioides Fig 19 Semple 1996

Habit (robust, CA. Santa Cruz Co.)

Heterortheca sessiliflora ssp. bolanderioides, Semple 5670, Santa Cruz Co., California

Habit (small, CA. Contra Costa Co.)

Heterortheca sessiliflora var. bolanderioides, Semple 9339, Contra Costa Co., California

Flowering head

Heterortheca sessiliflora var. bolanderioides, Semple & Chmielewski 8919, California

Last update 19 May 2023 by J.C. Semple