Dendro
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100
  • Invasive, 3 lobes, V-shaped sinus’, Serrated margin, Red stem, Opposite branch pattern, Paired samaras, Small upright v-shape @ base, Small non distinct buds, Shade/cold tolerant

What is Sapindaceae Acer ginnala, Amur Maple?

100

Compound, odd pinnate leaf, serrated, Alternate branching, Pubescent branches, Not poisonous, but slightly, Seen in clusters, Cut one, more will grow, Gnarly looking base, Warty bark, No buds







What is Anacardiaceae Rhus typhina, Staghorn Sumac?

100

Not common on campus, Native to US, Resembles red maples, Pinnate base on lobes, Rounded margin, Needs well drained soil, Identical to arrow wood fruit, 3-4ft height, Likes moist areas

What is Adoxaceae Viburnum acerifolium, Mapleleaf Viburnum?

100

Woody species, Low ground cover, Odd, pinnate, compound leaf, ovate serrated leaf, Shade tolerant/ disturbance susceptible, 3 leaflets, “Leaves of 3, let it be”, Food source: berries





What is Anacardiaceae Toxicodendron radicans, Poison Ivy?

100
  • Opposite branching, Parallel venation, Smooth leaf margin, Valvate buds- scales, Small woody structure holding up reproductive buds, Native to Europe-not invasive, Black cherry fruit





What is Cornaceae Cornus mas, Cornelian Cherry Dogwood?

200

Deciduous holly, Obovate, serrated, thick leathery leaf, Alternate branching, Slight shade intolerant, Spreads in a circle, Fruit: green->red, only females have fruit





What is Aquifoliaceae Ilex verticillata, Common Winterberry?

200

Bigger leaves, 3 lobes, V-shaped sinuses, Identifiable buds, large cluster, redish in fall, Opposite branching, Young bark smooth/gray, Older bark cracked, No samaras, Shade tolerant







What is Sapindaceae Acer rubrum, Red Maple?

200
  • Doesn't peel, Alternate branching, Elongated apex, Serrated, pinnate leaf, Small green buds, Small in diameter, Always on the edge of a forest, Dark stain/armpit under branches, Small catkins & branches







What is Betulaceae Betula populifolia, Grey/Gray Birch?

200

5 lobes, U sinus, Opposite branch pattern, Few seeds, Slender and pointed terminal bud, Long ridged bark, Very sensitive dense wood, Shade tolerant, Moist cool environment







What is Sapindaceae Acer saccharum, Sugar Maple?

200

Light green leaves, silvery backside, Deep V shape sinuses, Reddish stem, Flood plains species, Shaggy peeling bark-> Old trees, 3-5 lobes, Horizontal samaras, Huge weak branches, Shade intolerant







What is Sapindaceae Acer saccharinum, Silver Maple?

300

Simple ovate pinnate leaf, doubly serrated, Alternate branching, Droopy branches, peeling/very shaggy bark, Shade intolerant, Small hairs on petiole




What is Betulaceae Betula nigra, River Birch?

300

Dentate leaf margin, Opposite branching, Parallel venation, Leaf turns dark red, Shade intolerant-forest edge, Dark blue drupe- birds eat them, Straight shoots like arrow shafts, 6-8 ft in height






What is Adoxaceae Viburnum dentatum, Arrowwood?

300

Shaggy golden bark, Single serrated, pinnate leaf, smells/tastes like spearmint, Bud resembles paper birch, Wind dispersed but usually after snowfall, Gap species-grows in forest when there’s an opening to the sky, Dense wood







What is Betulaceae Betula allegheniensis, Yellow Birch?

300

Doubly serrated, elliptical pinnate leaf, Large pointy brown scaly bud, Alternate branching, Catkin: female flower; wind dispersed seeds, Peeling white bark, Shade intolerant




What is Betulaceae Betula papyrifera, Paper Birch?

300

Broad base, large dark green leaves, 5-7 lobes, U shaped sinus, White sap in stem, 1 terminal bud: short/fat, green->dark purple, Opposite branching pattern, Big samaras, Braided bark, Tolerant of everything









What is Sapindaceae Acer platanoides, Norway Maple?

400

Doubly serrated, pinnate leaf, Shade intolerant, Bigger catkins (than beaked), Large shrub, Usually planted



What is Betulaceae Corylus americana, American Hazelnut?

400

Compound leaf w/ leaflets, 1 central vein w/ more coming off it, V shaped samara, Light green twig/stem-> turns dark purple in fall, Semi braided bark, Salmon color in cracks, Loves moisture-found near rivers/streams, Short small bud






What is Sapindaceae Acer negundo, Boxelder Maple?

400

Singly serrated pinnate , fruit resemble “hops”, Catkins: papery pocket w/seed inside, Light brown, shaggy, bark in vertical strips-distinctive, Buds: large green->brown, Super shade tolerant, Dense wood, Common in NE







What is Betulaceae Ostrya virginiana, Ironwood/ Hophornbeam?

400

Leaf: doubly serrated, pinnate, Shade tolerant, Fuzzy papery leaf, Shrub, Catkins: hang down, tiny, will stay on during winter, Only shrub w catkins




What is Betulaceae Corylus cornuta, Beaked Hazelnut?

400

Big leaf shrub, Cordate parallel serrated pinnate leaf, Opposite branching, No bud scales, Grows in dense forest, Rare in unity, Common in western ME, Shade tolerant, Grows in thickets, Orange “buds”








What is Adoxaceae Viburnum lantanoides, Hobblebush? 

500
  • Alternate branching, Shade tolerant, Edge species, Fruit: red stemmed drupes, Very dark blue drupes, Small tree, 20ft height, 3-5 inch diameter, Smoothish Olive green bark:Turns dark purple




What is Cornaceae Cornus alternifolia, Pagoda Dogwood/ Alternate Leaf Dogwood?

500

INVASIVE, Opposite branching, Small elliptical leaf w/entire leaf margin, Fruit: red berry, Shade tolerant, No bud, Grows anywhere, Bark: light tan, shaggy






What is Caprifoliaceae Lonicera morrowii, Morrow's Honeysuckle?

500

Non invasive, Not common on campus, Large leaf: serrated, Veins arch up, Parallel venation, Leaf gets smaller towards end of shoot, Turns purplish, Flowers hang down under leaf, flower will remain on shoot during fall, Semi shade tolerant, Opposite branching





What is Caprifoliaceae Diervilla lonicera, Northern Bush Honeysuckle?

500

Bog species, Around moist wetlands, Doubly serrated pinnate leaf, Raised veins, Valvate bud, Pinkish brown bark, Large shrub, Female catkins: almost pine cones, Nitrogen fixer-not legume, Shade intolerant








What is Betulaceae Alnus incana, Speckled Alder?

500

Compound odd pinnate leaf-serrated, Opposite branching, Parallel venation, rachis -purple, 2 parallel globular buds, Edge species, Big bright red berries, Orangey pith, Orange lenticels on new growth, Shade intolerant








What is Adoxaceae Sambucus racemosa, Redberried Elder?