Native & Naturalized Plants of the Carolinas & Georgia


1459

Floating aquatic (2+ roots per frond, the roots floating); Forb
Perennial
Monoecious

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common

Look for it in still to slowly moving waters of ponds, lakes, beaver ponds, and swamps, per Weakley's Flora

map
To see a detailed map, click here

 

Aquatic

LEAVES:
-

FLOWER:
Unisexual
1 stamen in staminate flowers

FRUIT:

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales

WEAKLEY'S FLORA (5/21/15):
Spirodela polyrrhiza   FAMILY Araceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Spirodela polyrrhiza   FAMILY Lemnaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 033-01-002:
Spirodela polyrrhiza   FAMILY Lemnaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Manual of the Southeastern Flora (Small, 1933)
Spirodela polyrhiza

 

COMMON NAME:
Greater Duckweed, Duckmeat, Minnow-fole, Giant Duckweed


Click or hover over the thumbnails to see larger pictures.

image of Spirodela polyrrhiza

Terry Holdsclaw    tdh_s_polyrrhiza_1

June    Catawba County    NC

Upper surface of fronds sometimes with red spot in center, 7-16(21) veins, per Flora of North America.

image of Spirodela polyrrhiza

Terry Holdsclaw    tdh_s_polyrrhiza_2b

June    Catawba County    NC

Fronds obovate to circular, flat or rarely gibbous, 1-1.5x as long as wide, per Flora of North America.


click here to see other plants that look similar to this COMPARE aquatic plants

image of Spirodela polyrrhiza

Terry Holdsclaw    tdh_s_polyrrhiza_8294

July    Catawba County    NC

Fronds 2-10mm, per Flora of North America.