This is called E. metornii and regarded as separate species by some authors.
E. metornii babies, except the center one in the front row.
Ecer metornii mid June in SoCal
The real ssp chisoensis in habitat in Big Bend, TX after 8 months without rain in late March
the real Ecer chisoensis ssp chisoensis flowering mid March in SoCal
Photo courtesy/copyright of Matthew Maggio. Curator of Succulents, Sherman Library/Gardens.Owner of Rain Shadow Designs.http://www.homeimprovementquotes.com/pros/rain-shadow