OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Sonchus arvensis var. glabrescens   FAMILY Asteraceae_   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sonchus arvensis ssp. uliginosus   FAMILY Asteraceae_

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

Sonchus arvensis ssp. uliginosus

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

Sonchus arvensis ssp. uliginosus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-08-001:

Sonchus arvensis   FAMILY Asteraceae_

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

Sonchus uliginosus

 

COMMON NAME:
Field Sowthistle, Perennial Sowthistle


         To see larger pictures, click or hover over the thumbnails.

image of Sonchus arvensis var. glabrescens, Field Sowthistle, Perennial Sowthistle

Bruce A. Sorrie    bas_sonchus_arvensis2

August    Rensselaer County    NY

Heads 30-50mm across in flower. Phyllaries and peduncles glabrous, per Weakley's Flora (2015).

image of Sonchus arvensis var. glabrescens, Field Sowthistle, Perennial Sowthistle

Bruce A. Sorrie    bas_sonchus_arvensis3

August    Rensselaer County    NY

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Sonchus arvensis var. glabrescens   FAMILY Asteraceae_

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sonchus arvensis ssp. uliginosus   FAMILY Asteraceae_

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sonchus arvensis ssp. uliginosus

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Sonchus arvensis ssp. uliginosus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-08-001:
Sonchus arvensis   FAMILY Asteraceae_

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

 

Find by SCIENTIFIC NAME:

3847

Forb
Perennial

Habitat: Disturbed areas, per Weakley's Flora

Non-native: Europe

Rare in NC Mountains (waifs in SC Coastal Plain)

map
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.)


Invasive?

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

 

DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Absent
Inferior ovary
Ray flowers bisexual

FRUIT:
Summer/Fall
Dark brown
Achene

 

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



 


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