Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Xanthium strumarium
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Xanthium strumarium var. strumarium
FAMILY
Asteraceae
INCLUDED WITHIN Flora of North America
Xanthium strumarium
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Xanthium 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:
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 (10/20/20):
Xanthium strumarium
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Xanthium strumarium var. strumarium
FAMILY
Asteraceae
INCLUDED WITHIN
Flora of North America
Xanthium strumarium
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Xanthium 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
4443
Forb
Annual
Habitat: Ballast, waste areas near ports, per Weakley's Flora
Non-native: Europe
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
IS THE PLANT "ARMED"?
Leaf axils lack spines; fruits with a few thin prickles
LEAVES:
Simple
Alternate
FLOWER:
Summer/Fall
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!