|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Fagaceae||View Description||Dichotomous Key|
|Genus: Quercus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Quercus pacifica Nixon & C.H. Mull.
Habit: Shrub to 2 m (small tree to 5 m), generally evergreen; twigs finely hairy, +- red or +- brown, glabrous in age, gray. Leaf: 1.5--4 cm; petiole 2--5 mm; blade obovate or oblong, adaxially green, abaxially light green with minute appressed stellate hairs, in age glabrous, base gradually tapered, wedge-shaped, or rounded, tip generally rounded, margin entire, wavy, or +- toothed, teeth generally mucronate. Fruit: cup 8--20 mm wide, 5--15 mm deep, hemispheric to top-shaped, scales moderately to strongly tubercled; nut 20--30 mm, ovoid to cylindric, distally acute to +- obtuse, shell glabrous inside; mature in year 1.
Ecology: Slopes, ridges, canyons, chaparral, coastal scrub, oak woodland, pine forest; Elevation: < 610 m. Bioregional Distribution: ChI (Santa Cruz, Santa Rosa, Santa Catalina islands). Flowering Time: Mar--Apr Note: Hybridizes with Quercus lobata.
eFlora Treatment Author: Thomas J. Rosatti & John M. Tucker
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Quercus ×macdonaldii
Next taxon: Quercus palmeri
Citation for this treatment: Thomas J. Rosatti & John M. Tucker 2017. Quercus pacifica, Revision 2, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=80203, accessed on February 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 20, 2017.