Red mulberry

Silhouette - red mulberry
  • Latin name: Morus rubra L.
  • French name: Mûrier rouge
  • Taxonomic Serial Number: 19070
Description

Leaves

  • Lobed leaf - red mulberry
  • Unlobed leaf - red mulberry

Form

  • Deciduous, alternate, simple
  • Ovate, various shapes on the same tree
  • Tip long-tapered
  • Base broad, heart-shaped, asymmetrical
  • Prominently 3-veined
  • Unlobed or with 2 or 3 lobes
  • Thin-textured
  • Upper surface rough
  • Lower surface soft, hairy

Length

  • 8–24 cm

Colour

  • Upper surface yellowish-green

Autumn colour

  • Yellow

Margin

  • Coarsely toothed

Buds

  • Lateral bud and leaf scar - red mulberry

Form

  • Ovoid, asymmetrical, plump
  • In 2 rows on the twig (distichous)
  • 6–8 scales in 2 rows
  • No terminal bud
  • Leaf scars raised, with 5 or more vein scars

Colour

  • Brown

Twigs

  • Winter twig - red mulberry

Form

  • Slender
  • Exude milky sap when cut

Colour

  • Green becoming light brown

 

Flowers

Form

  • Small
  • Borne in leaf axils

Colour

  • Yellowish- to reddish-green

Structure

  • Mostly monoecious, occasionally polygamo-dioecious

Floral timing

  • Before and with the leaves

Fruits

  • Fruit - red mulberry
  • Syncarpe - red mulberry

Form

  • Small, fleshy
  • In compact aggregates
  • Resembling a blackberry
  • Sweet, juicy, edible
  • Ripen in midsummer 

Length

  • 22–30 mm

Colour

  • Red to dark purple

Structure

  • Drupe

Bark

Form

  • Separating into long flaky plates

Colour

  • Reddish-brown

 

Wood

Texture

  • Soft, weak, durable

 

Size

Height

  • 9–20 m

Diameter

  • 40–75 cm

 

Tree form

  • Silhouette - red mulberry

Forest-grown

Trunk

  • Short
  • Soon dividing into stout, spreading branches

Crown

  • Dense, rounded

Habitat

Site

  • Deep moist soils
  • Forested floodplains and valleys

Light tolerance

  • Shade-tolerant

Associated species

  • Scattered infividuals mixed with other broadleaf trees

Range

Rare in Canada; scattered throughout southern Ontario

COSEWIC Status

Endangered

Photos
  • Red mulberry
  • Red mulberry
  • Red mulberry
  • Red mulberry
  • Red mulberry
Distribution map
Distribution map - red mulberry
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