PLSC 214 Woody Plants Batch 2

Abies balsamea

Aromatic needles. Bark and cones produce a lot of sap.

Abies fraseri

Underside of needles are white. Resin on bark surface.

Ailanthus altissima

Crushed leaves have an unpleasant smell.

Ligustrum species

Maclura pomifera

Milky sap and thorny twigs.

Phoradendron leucarpum

Pinus resinosa

2 needles per bundle.

Pinus rigida

3 needles per bundle.

Pinus thunbergii

2 needles per bundle. Thick needles. Tight and closed cones.

Pinus virginiana

2 needles per bundle. Needles seem twisted. Thorns on tips of cone scale.

Toxicodendron pubescens

Compound leaves of 3. Glossy on top and velvety on bottom of leaf. More rounded and lobed than poison ivy.

Toxicodendron radicans

Compound leaves in groups of 3. Red marking in center of leaflets. Mature vines have hairs.

Toxicodendron vernix

Compound leaves have 7-13 leaflets.

Vaccinium angustifolium

Vaccinium corymbosum

Green buds with a red outer bud.

Vaccinium macrocarpon

Acer platanoides

Big, bald, thick buds. Ridged bark. Samaras are straight across. White sap in leaves.

Acer saccharum

Sap sucker holes. Smoother bark with smaller ridges. Thin and smaller buds. Samaras dangle down. Hipster. Bark can be a dark color.

Acer saccharinum

Distinct red spindly flowers. Shaggy bark that is smooth when young. Wet places. Silvery back to leaves. Deep sinuses to leaves.

Alnus serrulata

Little itty bitty brown cones. Very little itty bitty red to pink upright female cones.

Cornus alternifolia

Alternate leaves. Twigs are a deep red to purple color with small circle lenticels.

Cornus amomum

Red like sericea, but it has linear markings. Sort of snake skiny. Terminal buds are sort of viburnum nudum.

Corylus americana

Might not have them on test day, but has small pineapple looking buds with red hairs on top. Nuts enclosed in a leaf-like husk.

Euonymus alatus

Twigs with wings on them. Pine cone looking buds. Fruit cases look like little wings themselves.

Euonymus americanus

Demogorgon head looking fruit casings. Squarey twigs.

Euonymus atropurpureus

Light pink fruit casings that split into 4.

Hedera helix

Evergreen hairy vines but not as obvious as toxicodendron radicans.

Ilex crenata

Upright cultivar. Tiny serration on leaves. Small glossy leaves. Wild cultivar has cup shaped leaves.

Parthenocissus quinquefolia

Vines have suction cuppy mini vines to connect to tree. 5 palmate leaves.

Pyrus calleryana

Leaf has wavy edges. Mummified fruit with speckled dots.

Rhus aromatica

All of these on campus are dwarf. Cone/caterpillar flower buds like Comptonia peregrina. Leaves sort of like poison ivy. Fuzzy.

Rhus glabra

Not as fuzzy as others. Thick stems. Buds are pokey. White patches.

Thuja occidentalis

Open flowery looking cones. Bee looking flower on end of scaly leaves. Flat scale leaves. Twigs not as sharp as Juniperus. No berries.

Amelanchier arborea

Amelanchier canadensis

Amelanchier laevis

Berberis thunbergii

Small itty bitty oval leaves. Sharp thorns. Ridged bark. Reddish tint.

Carpinus caroliniana

Muscle tree!

Chamaecyparis thyoides

Fan-like scaly adult leaves and needle-like sharp juvenile leaves. Little cone fruits. Bog tree. No berries. Spiraling bark.

Cornus racemosa

Brown color and red twigs. White fruits in red stalks. Buds look sort of tulipy.

Fothergilla gardenii

Big brown fuzzy distinct buds.

Magnolia acuminata

Big fuzzy terminal bud. Possibly no leaves at this time, but leaves are big and come to a point. Straight and tall trunk.

Mahonia bealei

Very sharp compound leaves. Fragrant grandma smelling yellow flowers. Turquoise berries.

Picea glauca

Suction cup thingy on twigs. Elongated cones.

Picea mariana

Stouter cones.

Prunus americana

Prunus serotina

Distinctive bark. Sort of looks like Betula lenta bark. Dark ridges and blemishes all over bark. Smoother when young and rougher when old.

Rosa multiflora

At least right now, radish looking leaf clumps. Thorns that point down. Fringe on stipule. Rose hips are small. Many canes.

Salix discolor

Fuzzy upright flowers with a gradient from red to yellow(top to bottom). Yellow whispy stamens stick out of fuzzy fruit. Thick leaf scars that look like shelves.

Taxodium ascendens

Distinctive bark. Spiky yellow leaf buds that mark branches and twigs look warty. Feathery leaves point up.