Scientific Name:
Prunus americana
Pronunciation:
PROO-nus uh-mare-ih-KAY-nuh
Common Name:
American plum
Family Name:
Rosaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves alternate, most blades elltipic to obovate, 5-7cm long x 2-3cm wide, margins with small rounded teeth, petioles 0.5-1.5cm long; flowers bright white, about 2cm wide, 5-petals, spring; plums red (less commonly yellow, orange, purplish-black), ovoid, 1.5-3cm long, July. Winter ID: true terminal bud absent, accessory buds common; flower buds larger and rounder; leaf scars mostly half-round to triangular with 3 bundle scars.
Habit:
Upright
Form:
Round
Texture:
Medium
Mature Height:
5 - 7m
Mature Spread:
3 - 4m
Growth Rate:
Moderate
Origin:
North America
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Landscape Uses:
Attract beneficial insects, Shade tree, Urban agriculture
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Fall:
Yellow
Shapes:
Elliptic, Obovate
Apices:
Acute
Bases:
Acute
Margins:
Crenate, Serrate
Inflorescence Type:
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Inferior
Colour (petals):
White
Flower Scent:
None
Flower Time at Peak:
Mar, Apr
Fruit Type:
Drupe
Fruit Colour:
Yellow, Red
Fruiting Time:
Jul
Additional Info:
Showy,
Bark Morphology:
Plated
Bark or Stem Colour:
Grey, Brown
Leaf Bud Type:
Accessory (collateral), Ovoid
Leaf Scar Shape:
Crescent shaped
Pest Susceptibility:
Bacterial leaf spot, Canker or sap rot, Fungal leaf spot, Galls, Mold (Rabbit resistant)
