HORT 4112 Plants

Korean abelialeaf

Abeliophyllum distichum

-white petals, early flowering, brownish/black stem tips

Pagoda dogwood

Cornus alternifolia

-new shiny green branches with purple, leaves alternate, horizontal/planar appearance, reddish-purple flower buds, flat cyme inflorescence, sympodial (Y) branching

Early forsythia

Forsythia ovata

-upright and inter-arching, somewhat square yellowish brown stems with many raised lenticels, flower buds on old wood/leaf buds on new wood, distinct yellow petals, flowers before leaves

Japanese rose

Kerria japonica

-inter-arching stems, zig-zag appearance, green stems, bright yellow flowers borne at shoot tips

Willow leafed magnolia

Magnolia salicifolia

-pyramidal in shape with smooth silvery bark, lemon fragrance when scraped, large furry gray flower buds, white flowers, narrow long leaves

Star magnolia

Magnolia stellata

-dense rounded large shrub/small tree, gray trunk with brown young branches, gray pubescent flower buds, white flowers with narrow petals, more petals than willow-leaved

American elder

Sambucus canadensis

-rounded thicket forming shrubs, pinnately compound leaves, gray/brown stems with vertical lenticels, brown buds, perfect white cyme inflorescences, broad leaf scars, spongy white pith, found in wet dishes and margins

American red elder

Sambucus racemosa

-oppositely arranged compound leaves, new branches are hairless and green with prominent lenticels, second year branches turn brownish gray and pith turns orangeish, large round buds, upright irregular panicle white inflorescense

Meyer lilac

Syringa meyeri

-dense compact form, lavender purple flowers in a panicle, gray/brown stems with prominent lenticels, leaves nearly obovate with wavy margin

Japanese tree lilac

Syringa reticulata

-small tree or large shrub with rounded canopy, shiny brown branches with many horizontal lenticels, large round multi-scaled flowers buds in pairs, terminally borne panicle creamy white inflorescences, sympodial branching

Common lilac

Syringa vulgaris

-large leggy coarse shrub, heay 4-sided shiny brown/gray stems, large terminal orangeish/green buds, opposite simple ovate leaves, white/lavender panicle inflorescence at branch terminus

Juneberry

Amelanchier spp.

-tree or shrub forms, slender vase appearance, red/brown and ciliated buds, upright raceme inflorescense

Eastern redbud

Cercis canadensis

-low branched rounded top, shiny dark reddish brown stems, zig-zag stems, cinnamon undertone to bark, no terminal buds, rosy pink papilionaceous flowers

Corneliancherry dogwood

Cornus mas

-large multi-stemmed shrub, slender ridged stems, reddish/purple on top and green on bottom of stem, flaking scales on trunk

Thornless cockspur hawthorn

Crataegus crusgalli var. ‘Inermis’

-dense broad low branched tree, glabrous reddish/brown new stems, multi-scaled buds, white flowers with 5 petals in corymbs, leaves alternate, sharp thorn

Flowering crabapple

Malus spp.

-round crown on a heavy branched tree, branches alternate, stiff, new stems green and pubescent and mature to gray/brown, reddish/brown ovoid buds, white or red corymb inflorescence

Lace shrub

Neillia incisa

-interarching mounding spreading shrub, slender brown somewhat square stems, zig-zag, small ovoid superimposed buds, deeply serrated alternate leaves, white five petals in loose terminal panicles

Callery pear

Pyrus calleryana

-conical upright, crowded branching, new branches somewhat pubescent, elongated ovoid buds, corymb stinky white flowers

Ural falsespirea

Sorbaria sorbifolia

-multi-stemmed colonizing shrub, new stems are green with pink tinge but mature to gray/brown, large dark buds, leaves pinnately compound and doubly serrate, fleecy white flowers

Showy mountain ash

Sorbus decora

-small stout tree with spreading dense crown, multi-trunked, reddish/brown branches, pinnately compound leaves with sharply serrated margins, compound terminal cyme inflorescence

America bladdernut

Staphylea trifolia

-upright suckering shrub, rounded stems, opposite pinnately compound leaves, funnelform inflorescence with green petals and reddish brown sepals

European mountain ash

Sorbus aucuparia

-low branching, glabrous gray/brown mature stems with light gray/brown bark with exfoliating at the base, large terminal dark brown buds, alternate leaves with serrate margin on distal half, white corymb inflorescence, stinky!!

American wild plum

Prunus americana

-reddish/brown to gray twigs, flaking on newer twigs with curling strips on old bark, white umbel inflorescence with greenish red sepals, prone to suckering and thorny

Amur chokecherry

Prunus maackii

-tan/gold young stems with reddish/brown multi-scaled buds, glossy bronze older stems and trunk, cylindrical erect raceme inflorescences with white flowers

Black cherry

Prunus serotina

-reddish/brown gray new branches with flaky waxy cuticle new stems, gray/brown/black with flaking mature stems and trunk, cylindrical racemes inflorescences with white flowers, smells like almond/maraschino cherry

Common chokecherry

Prunus virginiana

-reddish/brown new branches, reddish/brown buds, thin brownish/gray mature branches, cylindrical racemes with white round petals, fetid/stale/wet sock smell of scraped bark

Leatherwood

Dirca palustris

-coarse greenish young branches to brown/gray mature branches, buds concealed within leaf petioles, alternate leaves, pale yellow tubular flower clusters

Black chokeberry

Aronia melanocarpa

-suckering shrub, greenish/reddish brown young branchlets, slender reddish/brown appressed buds, gray barks, simple alternate leaves, compound cyme inflorescences with white petals and multiple pink anthers

Tatarian honeysuckle

Lonicera tatarica

-suckering large stiff shrub, greenish-brown young branches to tan/gray/brown bark, hollow pith after the second year, opposite leaves, paired pink bilabiate flowers

Dwarf bush honeysuckle

Diervilla lonicera

-low to midsize colonizing shrub, green to reddish/green branchlets, older stems are grayish brown and exfoliating, multi-scaled buds, opposite leaves, 5-merous yellow/green flowers born on cymes, mature to orange/red flowers

Rugosa rose

Rosa rugosa

-stiff, upright arching shrub, short straight prickles, alternate leaves, opposite leaflets, white to rose/purple flowers

Garden rose

Rosa xhybrida

-variable in size, new branches green with multiple hook-shaped prickles, brownish/gray stems with age, rounded glossy buds, alternate leaves with serrated leaflets, 5-merous flowers

Eastern ninebark

Physocarpus opulifolius

-multibranched upright/arching, gray exfoliating bark, 5-merous domed corymb inflorescences, simple alternate leaves

Arrowwood viburnum

Viburnum dentatum

-dense shrub, notable lenticels with reddish/brown/green buds, opposite shiny dentate leaves, flat terminal cyme inflorescence, stinky!!!, paired buds

Wayfaringtree viburnum

Viburnum lantana

-suckering shrub/small tree, pubescent young stems, scaleless buds, opposite simple serrated leaves, flat topped cream cyme inflorescence, stinky!

Nannyberry viburnum

Viburnum lentago

-brown/reddish brown young branches becoming scaled with age, naked buds, flower buds are bulbous, vegetative buds are long, opposite leaves with serrulate margin, creamy white rounded terminal cyme inflorescence, stinky!

American cranberrybush viburnum

Viburnum trilobum

-multi-stemmed upright shrub, reddish/green new growth with raised lenticels, pale gray bark, plump greenish red buds, opposite glabrous dentate leaves, 5-12 outer flowers with inner fertile flowers

Dwarf fothergilla

Fothergilla xintermedia

-suckering dense shrub, rounded zig-zag stems with pubescence, ovoid buds, alternate dark green leaves, multiple apetalous flowers in a white spike inflorescence, fragrant!

Weigela

Weigela florida

-dense irregular rounded shrub, gray/brown stems with raised pubescent lines, medium green/brown opposite simple leaves with serrulate margins, funnelform inflorescence

Bush cinquefoil

Dasiphora fruticosa

-dense rounded mounding shrub, shiny reddish/brown new stems that mature to gray/brown and exfoliate in long vertical strips, dense alternate palmately compound leaves, flowers are borne singly or in small cymes

Umbrella magnolia

Magnolia tripetala

-coarse textured straight trunked tree, stout glaborous brown/gray branches, long tapered purplish/green glaborous buds, alternate simple leaves, large solitary white tepals in flowers, fragrant

Carolina allspice

Calycanthus floridus

-dense irregular shrub, stout reddish/brown stems with raised dull white lenticels, buds superposed within the leaf scar and pubescent, opposite simple leaves with pubescent abaxial, perfect red flowers with narrow tepals, banana-like/sunscreenish smell

Cranberry cotoneaster

Cotoneaster apiculatus

-low spreading shrub, newer stems reddish/purple that mature to be gray/brown, almond fragrance, pubescent brown gray bud, alternate simple leaves, small pink flowers

Hedge cotoneaster

Cotoneaster lucidus

-erect rounded shrub, slender tan stems, thin peeling park, pubescent brown gray bud, alternate simple leaves, pinkish/white small flowers, great fall color, can be sheared into a formal hedge in light to medium shade

Hybrid flowering quince

Chaenomeles xsuperba

-low suckering spreading shrub, slender glabrous dark gray to brown spiny stems, imbricate solitary buds, alternate simple leaves, large flowers with wide color range

Japanese spirea

Spiraea japonica

-broad low rounded dense, slightly ridged brown/copper stems that are glabrous, divergent imbricate red buds, alternate simple leaves with sharply serrate/doubly serrate margins, emerging foliage is often orange/red, flat corymb white to pink inflorescence

Vanhoutte spirea

Spiraea xvanhouttei

-multi-stemmed vase shaped shrub, very thin copper/dark brown stems, triangular brown buds, alternate simple leaves with incised leaves, umbel inflorescence

Korean spirea

Spiraea fritschiana

-compact mounded shrub, slender copper/dark brown ridged stems, divergent coppery brown buds, alternate simple serrate leaves, corymb white/pink inflorescence

Grefsheim spirea

Spiraea xcinerea

-arching multi-stemmed dense shrub, wiry round medium brown stems with pebbly lenticels and exfoliating gray layer, glabrous, dark brown buds, alternate simple light green leaves, small white corymb inflorescence, more densely branched than vanhoutte

Large-leafed rhododendron

Rhododendron subg. Hymenanthes

-evergreen, new stems are green/glabrous and age to brown with some thin exfoliating bark, sympodial, terminal flower buds, bell-shaped flowers

Deciduous azalea

Rhododendron subg. Pentanthera

-green pubescent new stems, mature to brown, sympodial, terminal dull brown flower buds, umbel-like raceme inflorescence

Small-leaved rhododendron

Rhododendron subg. Rhododendron

-evergreen, glabrous greenish red new growth, sympodial, smaller less-pointed buds than large-leaved, dark green/purple leaves, umbel flowers generally purple

Half-high blueberry

Vaccinium spp.

-twiggy spreading multi-stemmed shrub, new branches green blushed red, plump imbricate floral buds on distal ends of branches

Clove currant

Ribes aureum var. villosum

-irregular leggy shrub, green new branches with reddish/gray exfoliating bark, alternate3-lobed leaves with broad teeth, pendulous raceme yellow flowers

Alpine currant

Ribes alpinum

-upright dense shrub, new branches green/gray, mature to brown/gray and flaking, stalked buds, alternate 3-lobed coarsely dentate leaves, greenish/yellow unshowy flowers

Prickly gooseberry

Ribes cynosbati

-small to mid-sized upright arching, densely prickly new branches with sharp spines, rough imbricate buds, coarsely dentate 3-lobed leaves

Beautybush

Kolkwitzia amabilis

-upright vase-shaped shrub, green new stems, exfoliating old bark, reddish brown imbricate buds, opposite broadly toothed, campanulate flower pairs

White fringetree

Chionanthus virginicus

-large shrub/small tree, orangish brown to scaly brown bark, light brown ovate buds, opposite glossy adaxial/pubescent abaxial leaves, panicle wispy white flowers

Sweet mockorange

Philadelphus spp.

-erect upright spreading shrubs, chestnut brown stems, exfoliating in vertical strips, imbricate gray/brown buds, opposite vaguely dentate leaves, white 4-merous flowers

Kentucky wisteria

Wisteria frutescens var. macrostachya

-viny plant, papilionaceous