Torrey's scrub oak, often and perhaps properly
considered as a hybrid species of engelmannii and cornelius-mulleri,
is here treated as a pure taxon, following the analysis of Tom Chester
which may be examined here.
It may be found as a small tree 15'-20' tall (see the fourth picture
from Monserate Mountain) or as a shrub 4'-6' tall (see the last picture
from the Wiashal Trail at the Santa Rosa Plateau Ecological Reserve).
The leaves are from 3/4" to 2-1/4" long, with ±
leathery oblong to ovate blades that are wavy-margined to irregularly-toothed
and have obtuse to short-