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Weed Identification

kudzu

Family

Fabaceae

Scientific Name

Pueraria montana var. lobata

Other Common Names:

wa yaka

Synonyms (former Scientific Names):

Pueraria hirsuta
Pueraria thunbergiana
Pueraria lobata
Dolichos lobatus

Habit

This plant is a climbing, perennial vine is part of the pea family. It flowers in late summer followed with the emergence of brown seedpods. With age, the plant can become woody. It is intolerant of mowing and frost, however.

Leaves

Leaves are alternate with three leaflets up to four inches across. The leaflets usually have three lobes with pointed tips, and are hairy on both sides.

Identifying Characteristics

This plant can grow up to 12 inches per day. It can reproduce through seeds or by stolons and stem fragments.

Flower Seed Head

The individual purple flowers are about 1/2 inch long and grow in clusters. The highly fragrant flowers emit a a strong grape Kool-Aid odor. Fruiting seedpods are long, flat brown pods covered in golden brown hair. The seedpods can grow up to 3 inches in length.

Seed Fruit

Seedpods usually contain from 3 to 10 seeds. This plant does not normaly reproduce with seeds, each pod only produces 1 or 2 viable seeds, which have a long germination period.

Where Found

This plant will grow in most climates, but prefers areas with mild winters and and average annual rainfall of 40 inches. It also prefers forest edges, roadsides and open fields, although it will cover hillsides and even entire trees.

Growth Habit

vine

Thorns or Spines

not present

Approximate Flower Diameter

Varies: 
dime
nickle
quarter

Dominant Flower Color

purple

Flower Symmetry

radial symmetery

Leaf Hairs

has hairs

Leaf Arrangement

alternate

Leaf Margin

lobed

Leaf Structure

trifoliate

Leaf Stalk

longer than leaf

Stem Hairs

has hairs

Stem Cross Section

round or oval

Milky Sap

not present

Root Structure

Varies: 
fibrous
taproot

Life Cycle

perennial

Ochrea

not present

Plant Type

Vine