OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (10/20/20):
Xanthium orientale   FAMILY Asteraceae


INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Xanthium strumarium var. canadense   FAMILY Asteraceae

INCLUDED WITHIN Flora of North America
Xanthium strumarium

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

INCLUDED WITHIN The Biota of North America Program. BONAP (Kartesz, 2015)
Xanthium strumarium

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Xanthium strumarium var. canadense

 

COMMON NAME:
Oriental Cocklebur


No pictures are available at this time.

 

WEAKLEY'S FLORA (10/20/20):
Xanthium orientale   FAMILY Asteraceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Xanthium strumarium var. canadense   FAMILY Asteraceae

INCLUDED WITHIN Flora of North America
Xanthium strumarium

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

INCLUDED WITHIN The Biota of North America Program. BONAP (Kartesz, 2015)
Xanthium strumarium

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Xanthium strumarium var. canadense

 

Search by scientific name:

4372

Forb
Annual

Original distribution unclear, widespread in e. N. America & nearly cosmopolitan

Documented growing wild in GA NC SC

Common in Coastal Plain (uncommon in Piedmont & Mountains)

Look for it in disturbed ground, roadsides, pastures, barnyards, per Weakley's Flora

map
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.

 

IS THE PLANT "ARMED"?
Leaf axils lack spines; fruits are beset with hooked prickles

LEAVES:
Simple
Alternate

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

FRUIT:
Summer/Fall
Achene

 

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



 


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