NameThatPlant.net: Emex spinosa

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales

Dig deeper at SERNEC, a consortium of southeastern herbaria.

Check out EDDMapS.org to see where this has been reported.

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Rumex spinosus

Emex spinosa

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Emex spinosa

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Emex spinosa

COMMON NAME:
Spiny Emex

NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Rumex spinosus

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Emex spinosa

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Emex spinosa

4140

Forb
Annual
Monoecious

Habitat: Disturbed areas, not recently collected and perhaps only a waif, per Weakley's Flora

Non-native: Mediterranean Europe

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

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

IS THE PLANT "ARMED"?
Outer tepals bear spines

LEAVES:
Simple
Mostly basal
Petioles 2-29cm long

FLOWER:
Winter/Spring/Summer/Fall
Greenish
6 tepals, the outer three bearing spines
Unisexual

FRUIT:
Winter/Spring/Summer/Fall
Achene

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