OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Xanthium strumarium   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Xanthium strumarium var. strumarium   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Xanthium strumarium

SYNONYMOUS WITH How many names for a beloved genus? -- Coalescent-based species delimitation in Xanthium (Asteraceae) (Tomasello, 2018)

Xanthium strumarium

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)

Xanthium strumarium

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

Xanthium strumarium var. strumarium

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Xanthium strumarium var. strumarium

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)

Xanthium strumarium

 

COMMON NAME:
European Cocklebur


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

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Xanthium strumarium   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Xanthium strumarium var. strumarium   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Xanthium strumarium

SYNONYMOUS WITH How many names for a beloved genus? -- Coalescent-based species delimitation in Xanthium (Asteraceae) (Tomasello, 2018)
Xanthium strumarium

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21
Xanthium strumarium

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Xanthium strumarium var. strumarium

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Xanthium strumarium var. strumarium

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Xanthium strumarium

 

Find by SCIENTIFIC NAME:

4443

Forb
Annual

Habitat: Ballast, waste areas near ports, per Weakley's Flora

Non-native: Europe

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

IS THE PLANT "ARMED"?
Leaf axils lack spines; fruits with a few thin prickles

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Staminate corollas 5-lobed; pistillate flowers without corollas
Inferior ovary
Unisexual

FRUIT:
Summer/Fall
Achene

 

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



 


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