Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (5/21/15):
Emex spinosa
FAMILY
Polygonaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Emex spinosa
FAMILY
Polygonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Emex spinosa
COMMON NAME:
Spiny Emex
No pictures are available at this time.
WEAKLEY'S FLORA (5/21/15):
Emex spinosa
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Emex spinosa
FAMILY
Polygonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Emex spinosa
4140
Forb
Annual
Monoecious
Non-native: Mediterranean Europe
Documented growing wild in - - -
Waif(s)
Look for it in disturbed areas, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- Forest Health Assessment & Applied Sciences Team: New Invaders of the Northeast
- Forest Health Assessment & Applied Sciences Team: New Invaders of the Southeast
- SC List of Regulated Pest Plant Species, 2017
- USDA Federal Noxious Weeds, 091820
IS THE PLANT "ARMED"?
Outer tepals bear spines
LEAVES:
Simple
Mostly basal
Petioles 2-29cm long
FLOWER:
Winter/Spring/Summer/Fall
Greenish
Unisexual
6 tepals, the outer three bearing spines
FRUIT:
Winter/Spring/Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!