Plancia ëd Asclepias emoryi (Greene) Tidestr.

Descrission:

plants on flat plain of a large bolson in silty, slightly gyp/saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m) the state line.