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Weed Identification

crosswort

Family

Rubiaceae

Scientific Name

Cruciata laevipes

Other Common Names:

crosswort

Synonyms (former Scientific Names):

Galium cruciata

Habit

Erect growth from a base that lies on the ground and curves up.

Leaves

Semi hairy, oval leaves are in whorls of 4 and are 10 to 25mm long and about half as wide. Does not have a petiole. Have long white hairs.

Identifying Characteristics

Erect with hairy stems that reach around 20 to 50 cm in height. Stems are square in cross section. Stem and leaves have long white hairs. Similar to Lady's Bedstraw, but Lady's Bedstraw has brighter yellow flowers and narrower leaves in whirls of 8 rather than 4.

Flower Seed Head

Yellow flowers are on stalks. Flowers become more frequent towards the top of the plant and have 4 petals each.

Seed Fruit

A small capsule but plant usually spreads by solons and rhizomes.

Where Found

Found in open woodlands, pastures, and roadsides.

Growth Habit

upright and nonwoody

Thorns or Spines

not present

Approximate Flower Diameter

Varies: 
pencil
dime

Dominant Flower Color

yellow

Flower Symmetry

radial symmetery

Leaf Hairs

has hairs

Leaf Shape

oval

Leaf Arrangement

whorled

Leaf Margin

entire

Leaf Structure

simple

Leaf Stalk

none

Stem Hairs

has hairs

Stem Cross Section

round or oval

Milky Sap

not present

Root Structure

Varies: 
rhizomes present
stolons present

Life Cycle

perennial

Plant Type

Herb