Rancho Santa Ana Botanic Garden, Claremont, Los Angeles County, California, USA June 4, 2007
In Palo Verde flower (Info. for xeriscape gardeners:Parkinsidium 'Desert Museum', a triple hybrid: Cercidium microphyllum X C.floridum. This F-1 hybrid then crossed with Parkinsonia aculeata , producing an intergeneric hybrid.)