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Horticulture Plant ID Study Guide
Common and scientific names Horticulture I Instructor: Mrs. Wise
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Abelia X grandiflora Common - Glossy abelia – This plant is a Medium evergreen shrub with reddish-green 1 inch long leaves with small clusters of bugle shaped white flowers.
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Acer palmatum Common - Japanese Maple Characteristics: *Maple-like leaves deeply lobed, with 5-9 lance-like, ovate lobes, 2-6" wide.
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Acer rubrum Red maple – Is a large deciduous tree with red flowers in early spring. It’s leaves are dark green w/ gray color under the leaves. (3-5 lobes & gray bark)
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Ageratum mexicanum Common - Ageratum -low growing annuals, ovate leaves, 2 inches long and small clusters of fluffy, lavender-blue, white or pink flowers. Often used for edging.
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Ajuga reptans Common - Ajuga - best planted in partial shade or even full shade; fast growing ground cover.
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Aracaria heterophylla
Common - Norfolk Island Pine - An Interior office plant that usually grows about 4 ft tall and looks similar to a little pine tree.
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Asparagus densiflorus ‘Sprengeri’
Common - Sprengeri Fern – prefers part sun to shade. Asparagus densiflorus ‘Sprengeri’
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Acuba japonica Common - Japanese Acuba - Thrives in low light areas
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Begonia X semperflorens-cultorum
Common - Wax Begonia - drought resistant and sun tolerant.
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Berberis thumbergii Common - Japanese Barberry – A medium size deciduous shrub with 1-inch long leaves, small spines, and red berries.
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Betula nigra Common- River Birch – A Medium sized deciduous tree with thin brown bark peeling and trunks.
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Buxus sempervirens Common - Common boxwood- popular shrub used in many a landscape especially as a hedge, screen or for a topiary.
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Canna X generalis Common - Canna - grown best in full sun with moderate water in well-drained rich or sandy soil.
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Cercis canadensis Common - Eastern Red Bud/Judas Tree- A Small deciduous tree with heart-shaped leaves and brown bean-type pods in the fall; pink-purple colored flowers.
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Chlorophytum comosum cv.
Common - Spider Plant – New plants develop from shoot tips – 18” long and ¾” wide leaves – green with yellow line down the middle.
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Chrysanthemum morifolium
Common - Florist Chrysanthemum - often called mums or chrysanths. Flower bouquets and arrangements.
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Chrysanthemum X superbum
Common - Shasta Daisy - large white flowers with yellow centers, typical of daisies; excellent perennial.
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Coleus X hybridus Coleus
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Cornus florida Flowering Dogwood- A small deciduous tree with white flowers called bracts with brown color at the tips, red berries and very crooked growth
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X Cupressocyparis leylandii
Leyland Cypress- an evergreen, about 5o ft. tall with scale type leaves and short ½ inch cones.
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Dieffenbachia maculata
Dumbcane – An Interior plant with large variegated green and cream colored large leaves on a thick trunk.
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Epipremnum aureum cv. Golden Pothos – Office Plant
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Euonymus alata Winged Euonymus – A medium sized deciduous shrub with dark green leaves 1 – 2 long that turn a brilliant red in late fall.
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Euonymus japonica or ‘Variegata’
Evergreen Euonymus – Shrub – 1 ½ - 3” long leaves, half as wide as long. Green, green/golden edged, green white edged
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Euphorbia pulcherrima cv.
Poinsettia – Sold at Christmas, Usually red, originates from Mexico. Colored bracts or leaves
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Ficus benjamina Weeping or benjamin fig – drooping branches with shinny pointed leaves and aerial roots on the branches
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Ficus elastica ‘Decora’
Decora Rubber Plant
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Ficus pumila Creeping Rubber Plant
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Forsythia X intermedia
Border Forsythia – Large deciduous shrub with many bright yellow flowers in early spring.
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Hedera helix English Ivy – Climbing Vine
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Hemerocallis cv. Day Lily
Full Sun – trumpet type flowers, perrenial.
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Hosta sp. Hosta- Deciduous ground cover, 3 inch wide by 7 inch long leaves. Leaves are dark green to yellowish white mixed with green. “verigated”
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Ilex X attenuata ‘Fosteri’ Fosteri Holly – Red Berries
Often used as a corner planting to give height.
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Ilex cornuta ‘Dwarf Burford’ Dwarf Burford Holly
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Ilex crenata Helleri Holly ‘Helleri’
Often used as a border planting - evergreen
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Ilex vomitoria ‘Nana’ Dwarf Yaupon- Dwarf evergreen shrub, 2ft. high X 2ft. wide with dark green mature leaves about ½ inch to 1 inch long. Stems are gray.
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Impatiens Impatiens –shade loving colorful annuals
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Iris X germanica var. florentine
florentine/Bearded Iris
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Juniperus conferta Shore Juniper-creeping habit
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Juniperus horizontalis ‘Plumosa,’ ‘Bar Harbor or ‘Wiltonii’or Blue Rug
Creeping Juniper “Blue Rug”- evergreen ground cover with silvery-blue scale type leaves.
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Lagerstroemia indica cv.
Crape Myrtle- Smooth tan bark, deciduous tree or shrub, flowers all summer and into early fall. Red, purple, white, pink
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Ligustrum japonicum cv.
Japanese Privet- large evergreen shrub, dark green leaves that are 3-inch long and 1 ½ inch wide with raised veins underneath. ¼ inch dark purple berries with a hard seed inside.
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Liquidambar styraciflua
Sweetgum – A deciduous with dark green star shaped leaves and prickly balls. Leaves turn yellow, orange, red and purple in autumn.
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Liriope muscari Liriope (Green or Varigated cv.)
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Magnolia grandiflora Southern Magnolia – large shinny leaves, 6-9 inch white flowers with cone like pods of bright red seeds.
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Malus sp. or cv. Flowering Crabapple – A border tree, medium sized deciduous tree with flowers and 1 – 2 inch diameter fruit. Green, red, or purple leaves in summer.
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Maranta leuconeura Prayer Plant
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Myrica cerifera Wax Myrtle- large evergreen shrub, yellowish green leaves about 2-3 inches long with serrated margins near the leaf tips, clusters of small waxy-gray berries.
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Nandina domestica Heavenly Bamboo – Red foliage in Fall
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Nephrolepis exaltata cv
Boston Fern
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Ophiopogon japonicus Mondo Grass –ground cover
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Pelargonium X hortorum
Geranium – An indoor/outdoor flowering plant, used in baskets and pots, red, white, pink, multiple colored. Flowers have a long petiole, popular Mother’s Day and easter flower. Number 1 bedding plant
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Pelargonium peltatum Ivy Leaf Geranium
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Philodendron scandens
Parlor Ivy – very low light
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Pinus mugo var. mugo Mugo Pine
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Pinus strobus Eastern White Pine – Clusters of needle like leaves about 4-inches long. 5 needles per cluster, 4 – 8 inch curving brown cones under the tree.
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Plectranthus australis
Swedish Ivy
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Prunus serrulata ‘Kwanzan’
Japanese Flowering Cherry- Small deciduous tree with pink double flowers. Used as an accent plant.
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Pyrus calleryana ‘Bradford’
Bradford Pear- Medium-sized deciduous tree, white flowers in spring, reddish purple leaves in autumn, grow in a symmetrical shape with little or no pruning.
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Quercus palustris Pin Oak- Deciduous tree, about 50 ft. tall, leaves have 5 to 7 lobes and 3 or 4 bristle tips on each lobe, has acorns, brilliant red in autumn.
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Quercus phellow Willow Oak- Deciduous tree, has small acorns, narrow green leaves, grows about 60 ft. tall.
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Rhododendron catawbiense
Catawba Hybrid Rhododendron
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Rhododendron kiusianum or Rhododendron obtusum japonicum
Azalea- Large evergreen, dark green 5-inch long by 2-inch wide leaves, shade loving, grows wild in the edge of the forest and by the roadside in NC mountains, many flowers.
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Saintpaulia ionantha African Violet
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Salvia splendens Salvia
Salvia – full sun
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Schefflera arboricola Dwarf Schefflera
Dwarf Schefflera – indoor, low light
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Spathiphyllum cvs. Peace Lily
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Tagetes erecta African Marigold
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Tradescantia zebrina Purple Wandering Jew
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Viola X wittrockiana Pansy – fall and spring flower – cool season – multiple colors
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