Horticulture Plant ID Study Guide Common and scientific names Horticulture I Instructor: Mrs. Wise

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.

Acer palmatum Common - Japanese Maple Characteristics: *Maple-like leaves deeply lobed, with 5-9 lance-like, ovate lobes, 2-6" wide.

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)

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.

Ajuga reptans Common - Ajuga - best planted in partial shade or even full shade; fast growing ground cover.

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.

Asparagus densiflorus ‘Sprengeri’ Common - Sprengeri Fern – prefers part sun to shade. Asparagus densiflorus ‘Sprengeri’

Acuba japonica Common - Japanese Acuba - Thrives in low light areas

Begonia X semperflorens-cultorum Common - Wax Begonia - drought resistant and sun tolerant.

Berberis thumbergii Common - Japanese Barberry – A medium size deciduous shrub with 1-inch long leaves, small spines, and red berries.

Betula nigra Common- River Birch – A Medium sized deciduous tree with thin brown bark peeling and trunks.

Buxus sempervirens Common - Common boxwood- popular shrub used in many a landscape especially as a hedge, screen or for a topiary.

Canna X generalis Common - Canna - grown best in full sun with moderate water in well-drained rich or sandy soil.

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.

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.

Chrysanthemum morifolium Common - Florist Chrysanthemum - often called mums or chrysanths. Flower bouquets and arrangements.

Chrysanthemum X superbum Common - Shasta Daisy - large white flowers with yellow centers, typical of daisies; excellent perennial.

Coleus X hybridus Coleus

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

X Cupressocyparis leylandii Leyland Cypress- an evergreen, about 5o ft. tall with scale type leaves and short ½ inch cones.

Dieffenbachia maculata Dumbcane – An Interior plant with large variegated green and cream colored large leaves on a thick trunk.

Epipremnum aureum cv. Golden Pothos – Office Plant

Euonymus alata Winged Euonymus – A medium sized deciduous shrub with dark green leaves 1 – 2 long that turn a brilliant red in late fall.

Euonymus japonica or ‘Variegata’ Evergreen Euonymus – Shrub – 1 ½ - 3” long leaves, half as wide as long. Green, green/golden edged, green white edged

Euphorbia pulcherrima cv. Poinsettia – Sold at Christmas, Usually red, originates from Mexico. Colored bracts or leaves

Ficus benjamina Weeping or benjamin fig – drooping branches with shinny pointed leaves and aerial roots on the branches

Ficus elastica ‘Decora’ Decora Rubber Plant

Ficus pumila Creeping Rubber Plant

Forsythia X intermedia Border Forsythia – Large deciduous shrub with many bright yellow flowers in early spring.

Hedera helix English Ivy – Climbing Vine

Hemerocallis cv. Day Lily Full Sun – trumpet type flowers, perrenial.

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”

Ilex X attenuata ‘Fosteri’ Fosteri Holly – Red Berries Often used as a corner planting to give height.

Ilex cornuta ‘Dwarf Burford’ Dwarf Burford Holly

Ilex crenata Helleri Holly ‘Helleri’ Often used as a border planting - evergreen

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.

Impatiens Impatiens –shade loving colorful annuals

Iris X germanica var. florentine florentine/Bearded Iris

Juniperus conferta Shore Juniper-creeping habit

Juniperus horizontalis ‘Plumosa,’ ‘Bar Harbor or ‘Wiltonii’or Blue Rug Creeping Juniper “Blue Rug”- evergreen ground cover with silvery-blue scale type leaves.

Lagerstroemia indica cv. Crape Myrtle- Smooth tan bark, deciduous tree or shrub, flowers all summer and into early fall. Red, purple, white, pink

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.

Liquidambar styraciflua Sweetgum – A deciduous with dark green star shaped leaves and prickly balls. Leaves turn yellow, orange, red and purple in autumn.

Liriope muscari Liriope (Green or Varigated cv.)

Magnolia grandiflora Southern Magnolia – large shinny leaves, 6-9 inch white flowers with cone like pods of bright red seeds.

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.

Maranta leuconeura Prayer Plant

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.

Nandina domestica Heavenly Bamboo – Red foliage in Fall

Nephrolepis exaltata cv Boston Fern

Ophiopogon japonicus Mondo Grass –ground cover

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

Pelargonium peltatum Ivy Leaf Geranium

Philodendron scandens Parlor Ivy – very low light

Pinus mugo var. mugo Mugo Pine

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.

Plectranthus australis Swedish Ivy

Prunus serrulata ‘Kwanzan’ Japanese Flowering Cherry- Small deciduous tree with pink double flowers. Used as an accent plant.

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.

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.

Quercus phellow Willow Oak- Deciduous tree, has small acorns, narrow green leaves, grows about 60 ft. tall.

Rhododendron catawbiense Catawba Hybrid Rhododendron

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.

Saintpaulia ionantha African Violet

Salvia splendens Salvia Salvia – full sun

Schefflera arboricola Dwarf Schefflera Dwarf Schefflera – indoor, low light

Spathiphyllum cvs. Peace Lily

Tagetes erecta African Marigold

Tradescantia zebrina Purple Wandering Jew

Viola X wittrockiana Pansy – fall and spring flower – cool season – multiple colors