Roadside on our way home (outside the park, higher elev -- only place we saw this species in bloom). Geotag is best guess.
Mis-ID'ed this originally as Arizona Lupine (L arizonicus) -- looks to be Stinging Lupine, a larger, hairier species found in the mountains. Arizona was on my list of common Anza-Borrego species, but A-B is low desert -- I think we are just over the border here into a higher, wetter bioregion. Also, I just found a shot showing the leaves (finally managed to read most of the files off the CD, which was damaged), which turn out to be very hairy.
Lupinus hirsutissimus is a species of lupine known by the common name stinging lupine. It is native to the coastal mountains of Baja California and California as far north as the San Francisco Bay Area, where it grows on dry mountain slopes, including areas that have recently burned. It is an erect annual herb growing 20 centimeters to one meter tall; it may exceed one meter in habitat recovering from wildfire. The stem and herbage are...