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Weed Identification

chamber bitter

Family

Euphorbiaceae

Scientific Name

Phyllanthus urinaria

Other Common Names:

niuri

Habit

Chamberbitter is a warm season annual weed plant. It is a small tropical annual herb growing up to 2 feet tall.

Leaves

Leaves of Chamberbitter are alternate. They have stipules, ovate-lanceolate, and the base is conspicuously auriculate. The petioles are very short and the blades are papery, oblong or oblong-obovate or nearly linear.

Identifying Characteristics

Chamberbitter is used for curing blennorrhagia, diabetes, dysentery, flu, tumors, jaundice, vaginitis, against headache, fever, conjungtivitis, menstrual disorders and dyspepsia. It is used against colic, as an effective remedy to eliminate gall and kidney stones. It is also used for urinary tract infection, bladder inflammation and for other kidney and liver problems.

Flower Seed Head

Chamberbitter has greenish white flowers. A very small wart-like fruit, greenish-red, is underneath every pair of the feathered leaves.

Seed Fruit

Capsules globose, are 2 to 2.5 mm across. They are with reddish blotches and scurfy-tuberculate, fruiting sepals, styles and columella persistent.

Where Found

Chamberbitter is found in most of the US.

Growth Habit

Varies: 
upright and nonwoody
prostrate and nonwoody

Thorns or Spines

not present

Approximate Flower Diameter

Varies: 
pencil
dime

Dominant Flower Color

Varies: 
white
green

Flower Symmetry

radial symmetery

Leaf Hairs

no hairs

Leaf Shape

Varies: 
round
lance
oval

Leaf Arrangement

alternate

Leaf Margin

entire

Leaf Structure

simple

Leaf Stalk

none

Stem Hairs

no hairs

Stem Cross Section

round or oval

Milky Sap

not present

Root Structure

fibrous

Life Cycle

summer annual

Ochrea

not present

Plant Type

Herb