Native & Naturalized Plants of the Carolinas & Georgia


1071

Forb
Annual
Monoecious
Does not have milky sap

Non-native: tropical southeast Asia
Documented growing wild in GA NC SC

Uncommon in Coastal Plain, rare in Piedmont

Look for it in gardens and on roadsides, apparently preferring nitrogen-rich soils, per Weakley's Flora

map
To see a detailed map, click here


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

Alabama Department of Agriculture and Industries
Alabama Invasive Plant Council, 2012
USDA Forest Service Southern Regional Task Force ... Nonnative Invasive Species

 

LEAVES:
Simple
Alternate: scalelike & spiral on stems; well-developed & 2-ranked on branchlets

FLOWER:
Spring/Summer/Fall
Yellowish-white
Unisexual
6 sepals
Petals absent
3 stamens in staminate flowers

FRUIT:
Spring/Summer/Fall
Green
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales

WEAKLEY'S FLORA (5/21/15):
Phyllanthus urinaria ssp. urinaria   FAMILY Phyllanthaceae

LESS THAN PLANTS NATIONAL DATABASE:
Phyllanthus urinaria   FAMILY Euphorbiaceae

 

COMMON NAME:
Chamber Bitter


Click or hover over the thumbnails to see larger pictures.

image of Phyllanthus urinaria ssp. urinaria

JK Marlow    jkm140809_443

August    Greenville County    SC

Swamp Rabbit Trail

image of Phyllanthus urinaria ssp. urinaria

JK Marlow    jkm140924_945

September    Greenville County    SC

Swamp Rabbit Trail

Leaf blade papery, abaxially gray-green or pale, or sometimes reddish tinged, per Flora of China.

image of Phyllanthus urinaria ssp. urinaria

JK Marlow    jkm140924_945b

September    Greenville County    SC

Swamp Rabbit Trail

Male flowers borne toward branchlet tip, female flowers toward the base, per Weakley's Flora.

image of Phyllanthus urinaria ssp. urinaria

JK Marlow    jkm140924_949

September    Greenville County    SC

Swamp Rabbit Trail

Leaves thin, smooth-margined, oblong, arranged in two rows on the branchlets, per Weeds of Southern Turfgrasses.

image of Phyllanthus urinaria ssp. urinaria

JK Marlow    jkm140930_988

September    Greenville County    SC

Swamp Rabbit Trail

Plant superficially resembles Chamaecrista, but does not have compound leaves!

image of Phyllanthus urinaria ssp. urinaria

JK Marlow    jkm140930_992993

September    Greenville County    SC

Swamp Rabbit Trail

Capsules globose, 2-2.5mm diam., with reddish blotches, scurfy-tuberculate, per Flora of China.

image of Phyllanthus urinaria ssp. urinaria

Terry Holdsclaw    tdh_p_urinaria_urinaria_1

September    Iredell County    NC

image of Phyllanthus urinaria ssp. urinaria

Terry Holdsclaw    tdh_p_urinaria_urinaria_2

September    Iredell County    NC

Lateral flowering branches have distichously arranged leaves and shed as a unit.