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

Horticulture Plant IDStudy Guide

Common and scientific names

Horticulture IInstructor: Mrs. Long

Providence High School

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.

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.

ImpatiensImpatiens –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 splendensSalvia

• Salvia – full sun

Schefflera arboricolaDwarf Schefflera

• Dwarf Schefflera – indoor, low light

Spathiphyllum cvs.Peace Lily

• Peace Lily

Tagetes erecta

• African Marigold

Tradescantia zebrina• Purple Wandering Jew

Viola X wittrockiana

• Pansy – fall and spring flower – cool season – multiple colors