Tall shrub or short tree?
Looks a lot like Blue Dicks, which were blooming nearby, but paler and more open. Is this just a variation?
Very small species of lupine, Inflorescense 4-6 " high.
Peckhamia sp. male jumping spider (Salticidae), Stulsaft Park, Redwood City, San Mateo County, California - 4 March 2015. I beat this ant-mimic jumping spider from an oak shrub. Collected live, chilled, photographed and later preserved as a specimen in order to determine species.