Ulmus parvifolia 'Nire-keyaki'

Ulmus parvifolia
Cultivar	'Nire-keyaki'
Origin	Not known

The Chinese Elm cultivar Ulmus parvifolia 'Nire-keyaki' is a dwarf variety principally used for bonsai.

Description

The clone is distinguished by its dense branching and fringed leaves.

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the elm leaf beetle Xanthogaleruca luteola .

Cultivation

Known in Europe and Australasia, 'Nire-keyaki' does not appear to have been introduced to North America.

Synonymy

Zelkova 'Nire', Ulmus 'Nire', Ulmus 'Nire-keyaki'.

Accessions

None known.

Nurseries

Europe

Kwekerij Rein & Mark Bulk , Boskoop, Netherlands.

Australasia

Yamina Rare Plants , Monbulk, Melbourne, Australia. (Listed erroneously as U. davidiana 'Nire-keyaki').

Elm species, varieties, hybrids, hybrid cultivars and species cultivars

Species and varieties

Disputed species and varieties

Ulmus elliptica

Grey, grey-leafed or hoary elm

Hybrids

Ulmus davidiana var. japonica × U. minor
Ulmus × arbuscula
Ulmus × arkansana
Ulmus × brandisiana
Ulmus × diversifolia
Ulmus × hollandica var. insularum
Ulmus × mesocarpa
Ulmus × notha

Species cultivars

American elm	American Liberty Ascendens Augustine Aurea Beaverlodge Beebe's Weeping Brandon Burgoyne College Columnaris Creole Queen Deadfree Delaware Exhibition Fiorei Flick's Spreader Folia Aurea Variegata Hines Incisa Independence Iowa State Jackson Jefferson Kimley Klehmii L'Assomption Lake City Littleford Maine Markham Miller Park Minneapolis Park Moline Morden New Harmony Nigricans Patmore Pendula Penn Treaty Princeton Pyramidata Queen City Sheyenne Skinner Upright St. Croix Star Valley Forge Variegata Vase Washington Prairie Expedition

Cedar elm	Brazos Rim

Chinese elm	A. Ross Central Park = Central Park Splendor Blizzard BSNUPF = Everclear Burgundy Burnley Select Catlin Chessins Churchyard Cork Bark D.B.Cole Drake Dwarf Weeper Dynasty Ed Wood Elsmo Emer I = Athena Emer II = Allee Emerald Prairie Frosty Garden City Clone Geisha Glory Golden Rey Hallelujah Harzam = Harrison™ Hokkaido Jade Empress King's Choice Littleleaf Lois Hole Matthew Milliken Nire-keyaki Ohio Orange Ribbon Pathfinder Pendens Prairie Shade Prince Richard Red Fall Sabamiki Sagei Seiju Select 380 Sempervirens Small Frye State Fair Stone's Dwarf Taiwan The Thinker Todd True Green UPMTF = Bosque Ware's Yarralumla Yatsubusa Zettler = Heritage Ulmus parvifolia f. lanceolata

European white elm	Aureovariegata Colorans Helena Ornata Pendula Punctata Urticifolia

Field elm	Ademuz Albo-Dentata Amplifolia Argenteo-Variegata Atinia Variegata Atinia Biltii Boissieri Christine Buisman Concavaefolia Coritana Cucullata Cucullata Variegata Dehesa de Amaniel Dehesa de la Villa Dicksonii Dijkwel Erecta Folia Alba-Punctata Goodyeri Hoersholmiensis Holmstruph Hunnybunii Laciniata Lanuginosa Latifolia Majadahonda Microphylla Pendula Microphylla Purpurea Microphylla Rubra Monumentalis Pendula Picturata Plotii Propendens Purpurascens Purpurea Retiro Reverti Rubra Rueppellii Sarniensis Schuurhoek Silvery Gem Sowerbyi Stricta Suberosa Umbraculifera Gracilis Umbraculifera Virgata

Japanese elm	Discovery Freedom Jacan FS-Bieberich = Emerald Sunshine Mitsui Centennial Prospector Reperta Reseda Thomson Validation

Siberian elm	Ansaloni Aurea Aurescens Chinkota Dropmore Green King Hansen Harbin Manchu Mauro Mr. Buzz Park Royal Pendula Pinnato-ramosa Poort Bulten Puszta Pyramidalis Fiorei Variegata

Winged elm	Lace Parasol

Wych elm	Albo-Variegata Australis Cebennensis Cornuta Corylifolia Purpurea Corylifolia Crispa Aurea Crispa Dovaei Escaillard Fastigiata Macrophylla Fastigiata Stricta Fastigiata Variegata Fastigiata Firma Flava Gigantea Gittisham Grandidentata Holgeri Horizontalis Insularis Latifolia Aurea Latifolia Aureo-Variegata Latifolia Nigricans Luteo Variegata Lutescens Macrophylla Maculata Minor Nigra Oblongata Pendula Macrophylla Pendula Variegata Ramulosa Rugosa Spectabilis Tomentosa

Hybrid cultivars

Amsterdam Arno Cathedral Clusius Columella Commelin Coolshade Den Haag Dodoens Fiorente Fremont Frontier Fuente Umbria Groeneveld Homestead Improved Coolshade Karagatch Lincoln Lobel Morfeo Morton Glossy = Triumph Morton Plainsman = Vanguard Morton Red Tip = Danada Charm Morton Stalwart = Commendation Morton = Accolade Nanguen = Lutece New Horizon Patriot Plantyn Plinio Rageth Rebella Rebona Recerta Regal Repura Revera Rosehill San Zanobi Sapporo Autumn Gold Sapporo Gold 2 Stavast Toledo Urban Willis Wanoux = Vada

Dutch elm	Alba Angustifolia Balder Bea Schwarz Belgica Blandford Cinerea Dampieri Dauvessei Daveyi Dumont Elegantissima Eleganto-Variegata Etrusca Fjerrestad Freja Fulva Gaujardii Haarlemensis Hillieri Jacqueline Hillier Loke Macrophylla Aurea Major Microphylla Modiolina Muscaviensis Odin Pioneer Serpentina Smithii Superba Tricolor Tyr Vegeta (Chichester Elm) Vegeta (Huntingdon Elm) Viscosa Wredei Ypreau

Twiggy field elm	Aurea Betulaefolia Gracilis Incisa Marginata Pendula Pulverulenta Stricta Viminalis

Unconfirmed derivation cultivars

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