Kunth's Evening Primrose

small erect annual among mixed alluvial gravels of pale limestone and reddish volcanic rhyolite on low hill crest north of road.

small erect annual among mixed alluvial gravels of pale limestone and reddish volcanic rhyolite on low hill crest north of road.

small erect annual among mixed alluvial gravels of pale limestone and reddish volcanic rhyolite on low hill crest north of road.

on ledge of white blocky limestone on north face of small cliff bordering large arroyo in Heath Canyon. With Selaginella lepidophylla.

on ledge of white blocky limestone on north face of small cliff bordering large arroyo in Heath Canyon.