''Ulmus'' × ''mesocarpa''
M. Kim & S. Lee is a natural
hybrid
Hybrid may refer to:
Science
* Hybrid (biology), an offspring resulting from cross-breeding
** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species
** Hybridity, the property of a hybrid plant which is a union of two dif ...
elm
Elms are deciduous and semi-deciduous trees comprising the flowering plant genus ''Ulmus'' in the plant family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical-montane regions of North ...
which is a cross of ''
Ulmus macrocarpa
''Ulmus macrocarpa'' Hance, the large-fruited elm, is a deciduous tree or large shrub endemic to the Far East excluding Japan. It is notable for its tolerance of drought and extreme cold and is the predominant vegetation on the dunes of the Khorc ...
'' with Japanese elm
''Ulmus davidiana'' var. ''japonica'' discovered on
Seoraksan
Seoraksan is the highest mountain in the Taebaek mountain range in the Gangwon Province in eastern South Korea. It is located in a national park near the city of Sokcho. After the Hallasan volcano on Jeju Island and Jirisan in the south, Se ...
(Mount Sorak) near the city of
Sokcho
Sokcho ( ko, 속초; ()) is a city in Gangwon Province, South Korea. It is located in the far northeast of Gangwon. The city is a major tourist hub, and a popular gateway to nearby Seoraksan national park. Sokcho is home to the few lakes: Yeong ...
on the eastern coast of South Korea. The tree is endemic to the provinces of
Gangwon-do,
Injegun,
Bukmyeon,
Yongdaeri, and
Baekdamsa.
[Kim, Muyeol & Lee, Sangtae (1989). ''Korean J. Pl. Taxon.'' 19(1), 31–78 (in Korean) (1989)]
Description
A small tree < 5 m high, typically intermediate between its parents, the generally
obovate
The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular ...
leaves 7–8 cm long, asymmetric at the base, with apices
acuminate
The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular ...
to
caudate and an average of 31 teeth. The
petioles are 6–8 mm long. The obovate
samarae are < 20 mm long by 16 mm wide.
[
]
Pests and diseases
Not known.
Cultivation
Now in cultivation in the US and UK.
Synonymy
*''Ulmus davidiana'' var. ''japonica'' f. ''suberosa'' Nakai
Accessions
;North America
*Morton Arboretum
The Morton Arboretum, in Lisle, Illinois, United States, is a public garden, and outdoor museum with a library, herbarium, and program in tree research including the Center for Tree Science. Its grounds, covering 1,700 acres (6.9 square kilometres ...
, Lisle, Illinois, US. Acc. details not known.
;Europe
*Grange Farm Arboretum
The Grange Farm Arboretum is a small private arboretum comprising 3 hectares accommodating over 800 trees, mostly native and ornamental species or cultivars, notably oaks, ashes, walnuts and elms, growing on a calcareous loam.Ostler, J. (2009) ...
, Sutton St James
Sutton St James is a village and civil parish in the South Holland district of Lincolnshire, England, about south-west of Long Sutton.
Lying in the Lincolnshire Fens, Sutton St James did not exist at the time of the 1086 ''Domesday Book''. Su ...
, Lincolnshire, UK. Juvenile trees (2015) from cuttings ex. Morton Arboretum on ''U. glabra'' rootstocks. Acc. no. 1101.
Nurseries
;Europe
*Pan-global Plant
Frampton on Severn
Frampton on Severn is a village and civil parish in Gloucestershire, England. The population is 1,432.
Geography
The village is approximately south of Gloucester, at . It lies on the east bank of the River Severn, and on the west bank of the ...
, Gloucestershire
Gloucestershire ( abbreviated Glos) is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn and the entire Forest of Dean.
The county town is the city of Gl ...
, UK.
References
Plant nothospecies
Flora of Korea
Ulmus articles missing images
mesocarpa
Ulmus hybrids
{{Ulmaceae-stub