Transcript Plant ID Group #9

Plant ID Group #9
Horticulture 2
Picea abies
• Norway Spruce
– Foliage: evergreen shrub with simple, needle-like
shape, slightly curved; needles that persist for 3 to 4
years; needles are stiff and pointed, 0.5" to 1" long;
needles tend to point downwards and towards the
stem tip; medium green in color
– Height: 40-60 feet
– Width: 30-35 feet
– Form: conical
– Leaf Arrangement: whorled
– Landscape Use: border, foundation, specimen
– Exposure: sun
Pieris japonica
• Japanese Andromeda
– Foliage: evergreen shrub with simple, linear shape
leaves with serrulate margins
– Flowers: white in pendulous panicles in spring;
graceful
– Height: 5-6 feet
– Form: 4-6 feet
– Leaf Arrangement: alternate
– Landscape Use: border, foundation, hedge
– Exposure: part shade to shade
Pinus mugo var mugo
• Mugo Pine
– Foliage: dark green, 1 - 1 1/2 inches long, stiff
needles of this two-needle Pine are held on the tree
for more than four years making this one of the more
dense Pines suitable for a screen planting
– Flowers: 1-2 inch pine cone
– Height: 4 to 10 feet
– Form: shrub or small, round or broad pyramidal plant
– Leaf Arrangement: Alternate
– Landscape Use: border, foundation, specimen
– Exposure: sun
– Unique Characteristics: expensive, slow growing and
virtually maintenance free; good for rock gardens
Pinus strobus
• Eastern White Pine
– Foliage: soft, flexible, blue-green; 2"-4" long, 3-sided,
in bundles of five. Evergreen
– Flowers: Cones slender and thornless, 3"-10" long
and tapering; each scale usually bears two winged
seeds as do all native pines
– Height: 80'-110'
– Spread: 20'-40'
– Form: pyramidal tree
– Landscape Use: border, screen, specimen
– Exposure: sun
– Unique Characteristic: Not native to Eastern NC
Platanus x acerifolia
• London Plane Tree
– Foliage: simple, lobed, star shaped; deciduous;
– Flowers: red and inconspicuous and not showy;
spring flowering
– Height: 85 feet
– Width: 70 feet
– Form: symmetrical canopy with a regular outline, and
individuals have more or less identical crown forms
– Leaf Arrangement: alternate
– Landscape Use: shade, parking lot beds
– Exposure: sun
Plectranthus australis
• Swedish Ivy
– Foliage: rounded, glossy, dark green 1-1½" long,
scalloped margins
– Flowers: whorled, tubular, pale mauve to white
flowers in terminal racemes
– Height: stems trailing to 3'
– Form: weeping and creeping
– Exposure: partial shade
– Landscape Use: container, hanging baskets
– Unique Characteristic: orange dye in stems
Prunus laurocerasus 'Zabeliana'
• Zabel Cherry Laurel
– Foliage: evergreen shrub with simple, elliptic leaves
with entire margins
– Flowers: white, fragrant, bloom in May
– Height: 3-4 feet
– Width: 8-10 feet
– Leaf Arrangement: alternate
– Landscape Use: border, foundation
– Exposure: sun
– Unique Characteristics: purplish drupe for fruit
Prunus serrulata ‘Kwanzan’
– Japanese Flowering Cherry
– Foliage: deciduous tree with simple, elliptic shape
with serrated margins
– Flowers: deep pink, double in spring
– Height: 20-25 feet
– Spread: 15-20 feet
– Form: branches grow upward
– Leaf Arrangement: alternating
– Landscape Use: border, specimen
– Exposure: sun
– Unique Characteristic: used for blooms and fall color
Pyracantha coccinea
• Scarlet Firethorn
– Foliage: Evergreen broadleaf; foliage is glossy, dark
green; glossy green leaves are slender, growing from
just ½- to 1-inch wide and 1 to 4 inches long
– Flowers: Showy, small white flowers bloom in spring
followed by bright orange berries in the fall
– Height: 2-10 feet
– Width: 12-14 feet
– Form: shrub that spreads
– Landscape Use: border, hedge, foundation, specimen
plant, and barrier
– Exposure: part shade to full sun
– Unique Characteristics: fierce thorns
Pyrus calleryana
‘Bradford’
• Bradford Pear
– Foliage: deciduous tree with simple ovate leaves and
serrated margins
– Flowers: white, five petals on flowers in spring before
leaves appear; green/brown pomes appear after
flowers
– Height: 20-35 feet
– Spread:15-20 feet
– Form: oval; formal symmetrical habit
– Leaf Arrangement: alternate
– Landscape Use: border, specimen
– Exposure: sun
– Unique Characteristic: stink, break easily in storms,
bad leaf litter
Quercus falcata
• Southern Red Oak
– Foliage: deciduous tree with simple, obovate outline
with 3-7 bristle tipped lobes
– Flowers: catkins, acorns
– Height: 50-60 feet
– Width: 50-60 feet
– Form: tall tree
– Leaf Arrangement: alternate
– Landscape Use: border, shade tree, specimen
– Exposure: sun
– Unique Characteristics: holds dead leaves for a while
during the winter.
Quercus nigra
• Water Oak
– Foliage: deciduous tree with simple, obovate shape
with 2 lobed entire margins
– Flowers: catkins, acorns
– Height: 40-70 feet
– Width: 45-60 feet
– Form: tall tree
– Leaf Arrangement: alternate
– Landscape Use: border, shade tree, specimen
– Exposure: sun
– Unique Characteristics: most commonly used oak for
street plantings and shade
Quercus palustris
• Pin Oak
– Foliage: simple, 5-7 narrow lobes with bristle tips;
deciduous; 3-6 inches long
– Flowers: tiny yellow catkins
– Height: 40- 75 feet
– Spread: 25- 40 feet
– Form: pyramidal shape when young; oval to
gumdrop-shape when older
– Leaf Arrangement: alternating
– Exposure: sun
– Landscape Use: border, shape, specimen
– Unique Characteristic: ½” light brown acorn
Catkin
• NOT FROM PIN OAK
Quercus phellos
• Willow Oak
– Foliage: deciduous; 2 to 5.5" alternate, narrow, simple
lanceolate shaped leaves; slightly wavy; yellow to
yellow brown fall color
– Flowers: .5" acorn
– Height: 60 to 80'
– Spread: 35 to 50’
– Form: Conical in youth; rounded crown; dense
– Leaf Arrangement: alternating
– Exposure: sun
– Landscape Use: border, shade, specimen
Raphiolepis indica
• Indian Hawthorn
– Foliage: low-growing evergreen flowering shrubs;
leathery, dark evergreen leaves are rounded, about 2
to 3 inches long, turning purplish in winter
– Flowers: fragrant, pink or white crabapple-like flowers
open in clusters above the foliage in mid-April to May
– Height: 3 to 6 feet
– Width: 3 to 6 feet
– Form: dense mounded growth habit
– Leaf Arrangement:
– Landscape Use: small gardens and foundation
plantings
– Exposure: sun
– Unique Characteristics: rarely need pruning
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