Ulmus davidiana Planch.

Japanese elm (en)

Species

Angiosperms > Rosales > Ulmaceae > Ulmus

Characteristics

Trees or shrubs, to 15 m tall, d.b.h. to 30 cm, deciduous. Bark longitudinally fissured. Branchlets pubescent when young, glabrescent or ± pubescent, sometimes with irregularly longitudinally fissured corky layer. Winter buds ovoid; bud scales partly pubescent. Petiole 5-10(-17) mm, pubescent; leaf blade obovate to obovate-elliptic, 4-9(-10) × 1.5-4(-5.5) cm, abaxially densely pubescent when young but glabrescent with tufted hairs only in axil of veins, adaxially sparsely hirsute when young but glabrescent, base oblique, margin doubly serrate, apex caudate-acuminate to acuminate; secondary veins 12-22 on each side of midvein. Inflorescences fascicled cymes on second year branchlets. Perianth glabrous, 4-lobed. Samaras tan, obovate to ± obovate, 1-1.9 × 0.7-1.4 cm; stalk pubescent, ca. 2 mm; wings usually glabrous. Seed toward apex and in center of samara.
More
A medium sized tree. It loses its leaves during the year. It grows 10-20 m high. The current year's growth is softly hairy. Older branches have 2 corky wings. The leaves are broadly oval and 4-10 cm long by 2-6 cm wide. It has a tip at the end and is rounded at the base. There are double teeth along the edge. The flowers are in bunches on last year's growth. The fruit are winged seeds.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 15.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.4
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows on mountains in northern China. It grows on dry and exposed limestone hillsides. Arboretum Tasmania.
More
Slopes, wetlands near streams and valleys; at elevations up to 2,300 metres.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The fully grown but still tender fruits and the leafy shoots are eaten.
Uses environmental use fiber material medicinal wood
Edible barks fruits leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ulmus davidiana unspecified picture

Distribution

Ulmus davidiana world distribution map, present in China and Korea (Democratic People's Republic of)

Conservation status

Ulmus davidiana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:856844-1
WFO ID wfo-0001143139
COL ID 7DFLP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ulmus davidiana Ulmus davidiana var. pubescens Ulmus davidiana var. mandshurica Ulmus davidiana var. davidiana

Lower taxons

Ulmus davidiana var. japonica