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|Jepson eFlora: Taxon page
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|Family: Fagaceae||View Description||Dichotomous Key|
|Genus: Quercus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Quercus engelmannii Greene
Habit: Tree 5--25 m, evergreen; trunk bark narrowly furrowed, scaly, +- gray; young twigs finely tomentose, in age glabrous. Leaf: 2--6 cm; petiole 3--7 mm; blade oblong to obovate, adaxially dull blue-green, abaxially soft-hairy, glabrous in age, pale blue-green, tip obtuse to rounded, margin generally entire to wavy-dentate. Fruit: cup 10--15 mm wide, 6--8 mm deep, cup- to bowl-shaped, scales +- tubercled; nut 15--25 mm, oblong-cylindric to ovoid, distally obtuse to rounded, shell glabrous inside; mature in year 1.
Ecology: Slopes, foothills, woodland; Elevation: < 1300 m. Bioregional Distribution: SCo, s ChI (1 tree on Santa Catalina Island), SnGb, PR; Distribution Outside California: Baja California. Flowering Time: Apr--May Note: Hybridizes with Quercus berberidifolia, Quercus cornelius-mulleri.
eFlora Treatment Author: Thomas J. Rosatti & John M. Tucker
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Quercus durata var. gabrielensis
Next taxon: Quercus garryana
Citation for this treatment: Thomas J. Rosatti & John M. Tucker 2017. Quercus engelmannii, Revision 2, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=40590, accessed on January 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 22, 2017.