Scientific Name:
Ulmus glabra
(pendulous cvs.)
Pronunciation:
ULL-mus GLAH-bra
Common Name:
Scotch elm
Family Name:
Ulmaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves alternate, simple, broadly oblong-obovate, most blades 7-15cm long x 2-7cm wide; margin coarsely and sharply doubly serrate, bases conspicuously uneven, lower surface downy, petiole <1cm long; samaras oval, ~2.5cm long x 1.5cm wide, notched at apex. Winter ID: twigs green to reddish-brown with grey pubescence; buds ovate, most 4-9mm long, reddish brown with darker edged scales; leaf scars oval, off-centred, flower buds globular, ~5mm wide.
Habit:
Pendulous, Twiggy, Upright
Form:
Round, Vase
Texture:
Medium
Mature Height:
3 - 5m
Mature Spread:
5 - 7m
Growth Rate:
Moderate
Origin:
Central / west Asia, Europe
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Mixed shrub border, Small garden/space, Specimen plant, Street (boulevard tree)
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Heavily veined, Pinnate venation
Surfaces:
Glabrous, Rugose
Colour in Summer:
Green, Dark-green, Light green in spring, dull yellow in fall
Colour in Fall:
Yellow
Shapes:
Oblong, Obovate
Apices:
Acuminate, Caudate
Bases:
Oblique (uneven), Rounded
Margins:
Double serrate, Serrate
Additional Info:
leaves to 15cm long
Inflorescence Type:
Flowers clustered
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Ovary Position:
Superior
Colour (petals):
Not showy, Green, Red
Flower Scent:
None
Flower Time at Peak:
Mar, Apr
Fruit Type:
Samara
Fruit Colour:
Green-yellow, Green, Bronze
Fruiting Time:
Apr, May, Jun
Additional Info:
Showy, to 1.5cm long
Bark Morphology:
Moderately fissured, Single stem trunk
Bark or Stem Colour:
Grey, Brown
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Half-oval
Propagation:
Cuttings
Maintenance:
Medium
Pest Susceptibility:
Aphids or adelgids, Beetles or weevils, Canker or sap rot, Caterpillar or cutworm, Dieback, Fungal leaf spot, Leaf miner insect, Mealybugs, Root rot, Scale insects, Wilt (Drought tolerant)
Specific Pests:
Dutch elm disease (plant a resistant cultivar)
