Heterotheca sessiliflora var. fastigiata

Heterotheca sessiliflora var. fastigiata (Greene) Semple is the typical variety of subsp. fastigiata. Its upper stem leaves are usually whitish due to the density of short strigose hairs. It occurs in the San Gabriel, San Bernardino and Santa Monica Mts. at low to moderately high elevations.

Flowering shoot (CA. Los Angeles Co.)

Heterotheca sessiliflora var fastigiata, flowering shoot, Semple 5592, Los Angeles Co., California

Leaves (CA. Los Angeles Co.)

Heterotheca sessiliflora var fastigiata,leaves and heads, Semple 5592, Los Angeles Co., California

Last update 19 May 2023 by J.C. Semple