Textbook of Dendrology Covering the Important Forest Trees of the United States and Canada |
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Acorn Altitudinal distribution American elm apex balsam fir Bark birch bole Botanical Features bracts bundle scars California commonly cone scales cone X 34 crown dark deciduous Description diameter max dioecious Distinguishing Characteristics Douglas-fir drupe Engelmann spruce fascicles flowers forests Fruit genera GENUS Leaves glabrous green growth hardwoods height hemlock hickory Jeffrey pine lateral buds leaf scars leaflets Leaves deciduous lobed maple margin maturity medium-sized tree moist monoecious Mountains nearly needles North northern oblong occurs old trees Oregon ovoid ovules petiole Pinus pistillate ponderosa pine pubescent pure stands Quercus Range rarely reddish brown resin ridges root system scaly season seedlings seeds serrate sessile shrubs small tree soils southern species spruce staminate stout strobile subglobose terminal buds timber Twig X 14 Twigs slender usually western western hemlock western redcedar western white pine white fir white oak white pine wings