Native & Naturalized Plants of the Carolinas & Georgia


3525

Forb
Annual

Native to Georgia
Documented growing wild in GA NC SC

Rare, probably introduced to parts of our area from by Native Americans

Look for it in fields, disturbed places, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Opposite

FLOWER:
Summer/Fall
Disc: Cream-colored/ Greenish-white
Rays: Absent or less than 3mm
Unisexual, in mixed heads
Staminate corollas distinctly 5-lobed
5 stamens in staminate flowers
Inferior ovary

FRUIT:
Summer/Fall
Blackish-brown
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Iva annua   FAMILY Asteraceae__

GREATER THAN PLANTS NATIONAL DATABASE:
Iva annua +   FAMILY Asteraceae__

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-01-003:
Iva annua   FAMILY Asteraceae__

 

COMMON NAME:
Sumpweed, Rough Marsh-elder