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|Jepson eFlora: Taxon page
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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 ×alvordiana Eastw.
Habit: Shrub to small tree < 3 m, evergreen to deciduous. Leaf: 1.5--5 cm; petiole 2--5 mm; blade generally oblong to widely elliptic, adaxially dull, blue- to gray-green, abaxially fine-hairy, dull, pale green, tip obtuse to abruptly pointed, margin generally irregularly coarsely toothed. Fruit: cup 10--16 mm wide, 8--10 mm deep, cup- to bowl-shaped, scales +- tubercled, light brown; nut 20--40 mm, generally narrowly ovoid, distally acute, asymmetric or not, shell glabrous inside; mature in year 1.
Ecology: Dry slopes, hills; Elevation: 180--1300 m. Bioregional Distribution: Teh, SCoR, WTR. Flowering Time: Jan--Mar Note: Hybrids involving Quercus douglasii, Quercus john-tuckeri, considered sp. by Eastwood.
eFlora Treatment Author: Thomas J. Rosatti & John M. Tucker
Jepson Online Interchange
Previous taxon: Quercus agrifolia var. oxyadenia
Next taxon: Quercus berberidifolia
Citation for this treatment: Thomas J. Rosatti & John M. Tucker 2017. Quercus ×alvordiana, in Jepson Flora Project (eds.) Jepson eFlora, Revision 2, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=40533, accessed on March 30, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 30, 2017.