Mexico, Sonora, Hermosillo, Isla Tiburon. Gulf of California. Hant Hax camp, upper edge of Bajada. NW of Santa Rosa.
At base of hills. Under shrubs.
Localized at campsite. Leaves wilted at mid-day. In semi-shade. Common.
Material was removed for identification purposes and placed in Betancourt's USGS paleobotanical lab reference collection in Tucson, AZ to aid in research of Neotoma-preserved middens from Islands of the Gulf of California. Sep. 2012. Benjamin T. Wilder ad Julio Betancourt.