Lecture Only Flashcards
Oregon white oak
Fagaceae
Quercus garryanna
Lower mountain slopes of PNW
Small/medium sized
Dry, rocky sites
Most important timber of western oaks
Gambel oak
Fagaceae
Quercus gambelii
Low/mid elevation southern Rockies Intermediate shade tolerant Thicket forming shrub on dry sites Aggressive resprout after fire Important forage for wildlife
chestnut oak
Fagaceae
Quercus montana
Appalachian mountain states
Intermediate shade tolerant
Replacement of Castanea dentata
Good quality wood
scarlet oak
Fagaceae
Quercus coccinea
Appalachian highlands and piedmont Dry upland sites, shade intolerant Concentric rings on acorn Resembles pin oak Good wood
Chinkapin
Fagaceae
Castanea pumila
SE coastal plain Small tree or shrub Tomentosa leaves and twigs Seeds edible Somewhat resistant to chestnut blight
bigtooth aspen
Salicaceae
Populus grandidentata
SE Canada, NE USA
Very shade intolerant
Similar to P. tremuloides but with dentate leaf margins and creamy tan bark
Wood used for pulp
balsam poplar
Salicaceae
Populus balsamifera
E Canada to Alaska Shade intolerant, prefers cool, moist sites Longer lived than aspens Terete petiole Balm-gily Wood used for pulp Wildlife browse
narrowleaf cottonwood
Salicaceae
Populus angustifolia
Western USA, riparian sites
Medium sized tree
Narrowest cottonwood leaves
Fremont cottonwood
Salicaceae
Populus fremontii
SW USA low elevations to 6500ft
Medium to tall
Common western cottonwood along low elevation riparian sites and canyons
Golden yellow fall foliage
common hoptree
Rutaceae
Ptelea trifoliata
Scattered across SE, central, SW USA Small tree Wide site adaptation Trifoliate compound leaves Samaras borne in dense clusters Lenticels on gray-bronze bark Substitute for hops in home brewed beer
Hercules-club
Rutaceae
Zanthoxylum clava-herculis
Small tree Corky, pyramidal excrescences on bark Spines on twigs Fruit- clusters of follicles Toothache tree
butternut
Juglandaceae
Juglans cinerea
NE and E central USA Oblong corrugated nut in indehiscent husk Leaf scar- monkey face with eyebrows Chambered dark brown pith Uncommon and scattered Prone to fungal disease Sweet sap
shagbark hickory
Juglandaceae
Carya ovata
E central USA and SE Canada Common throughout upland hardwood forest Peely platey bark Only shade tolerant hickory Deep taproot Leaves mostly 5 leaflets Nut is sweet, smooth, slightly ribbed Old hickory- Andrew Jackson Hickory milk
pignut hickory
Juglandaceae
Carya glabra
E central and S USA Common in upland hardwood forest Shade intolerant Prefers moist sites but tolerant of dry uplands Glabrous rachis, buds, twigs Halfway dehiscent husk, bitter nuts
Pacific madrone
Ericaceae
Arbutus menziesii
Pacific coast and lower mt elevations Leaves- coriaceous, persistent into 2nd season Flowers- tiny, white, urn shape, pendent panicles Fruit- bright red berry Red exfoliating bark Very shade tolerant Forms pure, dense stands Prone to fire damage
