HRT 212 Lab Walk 6: Ornamental Trees II Preview

Vinca major

Note opposite leaves. larger than Vinca minor. Smooth leaf margins.

This is a variegated form (which is the most common)

Malus 'Sugar Tyme'

Note spur shoots, inbricate buds which lack a fuzzy fringe

bark platey

lots of crabapples which are a late-season food source for birds, usually presnet all winter

this cultivar (and others) tend to be alternate-bearing, meaning heavy fruit every other year

Fraxinus americana

Note OPPOSITE branching

buds look like chocolate chips

leaf scar is a solid U shape

Prunus subhirtella 'Pendula'

note prominent hortizontal lenticels on bark

clusters of shiny buds near tips of branches

this one is grafted high, which is typical

Sambucus nigra "Black Lace'

note loosely branced habit

like S. Canadensis, stems with prominent lenticels,

leaves emerge purple on this cultivar

Note shiny bark with prominent lenticels

clusters of flower buds, shiny scales

no spur shoots

Note buds larger than apples, with fringe of white hairs on edges of bud scales

also has spurs

very narrow angles of branch attachment

Elderberry

Note opposite buds, prominent lenticels, hollow older stems

Washington Hawthorn

Note long thorns up to 2", very prominent on suckers and watersprouts

buds imbricate, but rounded

black knot canker on branches

Staghorn Sumac

note young stems densely covered in short brown fuzz, like antlers with velvet

Smooth sumac

looks just like staghorn but lacks fuzz

Serviceberry

Note pointed buds like artist paintbrush

grey bark with vertical striping

Note stems have a distinctive aroma

flower buds look like litte corn cobs

Flowering quince

Note clusters of flower buds alll along stem on old growth (interior), small thorns