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Weed Identification

red mulberry

Family

Moraceae

Scientific Name

Morus rubra

Synonyms (former Scientific Names):

Morus murrayana
Morus rubra var. murrayana

Leaves

The leaves are simple, alternate, and up to 2 dm long. The leaves are broad, egg-shaped, and lobed. The base of the leaf is square, as if it has been cut off abruptly. The tip of the leaf is pointed. The leaves have sharply serrated margins. The upper leaf surface is rough to the touch. The lower surface is soft and covered with short hairs.

Identifying Characteristics

Mulberry Family (Moraceae). Red mulberry is a tree that can reach 20 m in height and 45 cm in diameter. Red mulberry has a short trunk and stout, spreading branches that form a roundtopped crown. The bark can be smooth or scaly and is dark brown in color. The branchlets are covered with short hairs.

Flower Seed Head

The petioles are 2 to 3 cm long and produce a milky fluid when broken. The catkins that bear stamens are 2 to 5 cm long. The catkins that bear pistils are 2 to 2.5 cm long.

Seed Fruit

Red mulberry has aggregate fruits that are 2 to 3 cm long. The fruits are juicy and have a dark purple color.

Where Found

Red mulberry is found in floodplains, river valleys, and moist hillside

Growth Habit

woody bush or tree

Thorns or Spines

not present

Approximate Flower Diameter

Varies: 
dime
half dollar

Dominant Flower Color

Varies: 
white
green

Flower Symmetry

not symmetrical

Leaf Hairs

has hairs

Leaf Shape

round

Leaf Arrangement

alternate

Leaf Margin

Varies: 
lobed
serrated

Leaf Structure

simple

Leaf Stalk

shorter than leaf

Stem Hairs

has hairs

Stem Cross Section

round or oval

Milky Sap

not present

Life Cycle

perennial

Ochrea

not present

Plant Type

Tree