So Cal Ceanothuses
(Ceanothus spp.)

cordulatus   mountain    alternate, spiny, ovate, entire, grey/lighter
crassifolius hoary leaf  opposite, ovate, coarse teeth, olive, thick, dense white hair under
cuneatus     wedge leaf  opposite, wedge, entire, flat, shiny green/white, RARE: eg. Echo mtn
greggii      cup leaf    opposite, teeth at tip, cupped, grey or yellow-green/lighter
integerrimus deerbrush   alternate, flexy, elliptic, entire, soft, lt green/pale green
leucodermis  chaparral   alternate, spiny, ovate, green/lighter, white bloom on top
oliganthus   hairy       alternate, flexy, ovate, teeth, hairy, shiny green/lighter