FAGACEAE 



California White Oak 

 Quercus lobata Nee 



HABIT. The largest western oak, commonly 60-80 feet 

 high and 3-5 feet in diameter (max. 125 by 9 feet); massive 

 trunk dividing near the ground into large, spreading limbs; 

 wide-spreading, drooping crown. 



LEAVES. Deciduous; oblong to obovate; 2|/2~3Vi inches 

 long; deeply 7-11 lobed with rounded lobes; dark green and 

 hairy above, pale and hairy below. 



FRUIT. Maturing in one year; sessile or nearly so; acorn 

 characteristic, 1]4-2|4 inches long, elongated-conic, green 

 becoming brown; enclosed for Vs length in hairy cup with scales 

 free at tip; inner surface of nut shell glabrous; kernel sweet. 



TWIGS. Slender; gray to red-brown; hairy. Winter buds: 

 H inch long, orange-brown, ovoid, hairy. 



BARK. Thick; light gray; scaly or broken into square plates. 



WOOD. Unimportant; similar to Q. alba. 



SILVICAL CHARACTERS. Similar to Q. alba; fast grow- 

 ing; fertile loams to poor dry soils. 



Oregon White Oak 

 Quercus garryana Dougl. 



HABIT. A tree 50-70 feet high and 2-3 feet in diameter 

 (max. 120 by 8 feet); broad, compact crown with large branches. 



LEAVES. Deciduous; oblong to obovate; 3-6 inches long; 

 deeply 5-9 lobed with rounded lobes; thick and leather; dark 

 green above, paler and somewhat hairy below. 



FRUIT. Maturing in one year; sessile or nearly so; acorn 

 1-1 H inches long, ovoid; enclosed at base or to Yi of length 

 in shallow cup with hairy, thickened scales; inner surface of 

 nut shell glabrous; kernel sweet. 



TWIGS. Stout; hairy and orange at first, becoming red- 

 brown and glabrous. Winter buds: Vi-Yz inch long, densely 

 woolly. 



BARK. Similar to Q. alba. 



WOOD. Unimportant; similar to Q. alba. 



SILVICAL CHARACTERS. Similar to Q. alba; moist to 

 dry sites; a low shrub in north and at higher altitudes. 



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