Aspen and mixed upland forest species. big-leaved aster Aster macrophyllus Large variability in leaf...

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Transcript of Aspen and mixed upland forest species. big-leaved aster Aster macrophyllus Large variability in leaf...

Aspen and mixed upland forest species

big-leaved asterAster macrophyllus

•Large variability in leaf size

•Either big single leaf or aster flower

•Rough surface

•White hairs on stem

trembling aspenPopulus tremuloides

•Trembling caused by flattened petioles

•Leaves as long as they are wide

•Bud is shiny, brown colored

wild strawberryFragaria spp.

•Low growing (stolons bright red)

•3 leaflets

•On terminal leaflet, teeth of apex on same plane

eastern white pinePinus strobus

•5 (soft) needles per fascicle bundle

•Cones big, cylindrical, elongate

•Scales are loose and rounded

woodbineParthenocissus inserta

•Palmately compound (usually 5)

•Leaflets have deep toothed margins

•Leaflets coarse

•Stems have reddish colorations

•Vine

pin cherryPrunus pensylvanica

•Smaller twig, usually red colored

•Leaf is slender

•Red glands (tiny) on margin of teeth

•Cluster of fruit all rise from single point (pseudo-umbel)

choke cherryPrunus virginiana

•Branches grey/tan

•Leaves are oval/elliptical, widest on the last 2/3 of the length

•Fruit forms a raceme (central stalk with side pedicels)

green ashFraxinus pennsylvanica

•“Canoe paddle” samaras in large clusters

•Buds dark brown

•Leaf compound, opposite, with terminal leaf

•Reduced petioles

balsam firAbies balsamea

•Resin blisters common on trunk (pitch-pockets)

•Terminal buds

•Needles grow on horizontal plane when in the shade

•Flattened needles

•Stomata appears as white line underneath

white sprucePicea glauca

•Needles terrete (4-sided)

•Upward scales on trunk

•Cones hang down off branch

wild columbineAquilegia canadensis

•3 distinct leaflets

•Flower yellow/pink/red

•Or a single plant from rhizome

bigtooth aspenPopulus grandidentata

•Large serrations

•Buds fuzzy, brown, stick out from branch

beaked hazelCorylus cornuta

•Leaf sharp, doubly serrate

•Understory species

•Small catkins

•Very distinct fruit

wild sarsaparillaAralia nudicaulis

•“Parachute plant”

•A forbe

•Long petiole grows from rhizome, branches in 3

gray dogwoodCornus racemosa

•There is only one specimen located in the cage behind the dining room

•Opposite, entire margins

•“Arcuate” venation

•If leaf is pulled apart, “cottony” veins connect 2 pieces

•Buckskin tan color on current growth

•Remaining stem is ashy gray