Native & Naturalized Plants of the Carolinas & Georgia


1972

Submersed aquatic (rooted); Forb
Perennial

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

Common (rare in Coastal Plain)

Look for it attached to rocks and dams in rapidly or slowly flowing water, per Weakley's Flora

map
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Aquatic

LEAVES:
Simple: dissected into linear or filiform segments
Alternate

FLOWER:
Spring/Summer
Bisexual
Petals absent
2 stamens & 2 minute staminodia
Flowers in leaf axils

FRUIT:
Spring/Summer
Red
Capsule

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales

WEAKLEY'S FLORA (5/21/15):
Podostemum ceratophyllum   FAMILY Podostemaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Podostemum ceratophyllum   FAMILY Podostemaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 090-01-001:
Podostemum ceratophyllum   FAMILY Podostemaceae

GREATER THAN & ORTHOGRAPHIC VARIANT Manual of the Southeastern Flora (Small, 1933)
Podostemon ceratophyllum

GREATER THAN Manual of the Southeastern Flora (Small, 1933)
Podostemon abrotanoides

 

COMMON NAME:
Riverweed, Threadfoot, Riffleweed


Click or hover over the thumbnails to see larger pictures.

image of Podostemum ceratophyllum

JK Marlow    jkm180408_1131

April    McCormick County    SC

Parks Mill

A highly unusual, alga-like aquatic vascular plant w narrow dissected leaves, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.

image of Podostemum ceratophyllum

JK Marlow    jkm160628_126

June    Polk County    NC

Pearson's Falls

Small disk-like holdfasts anchor it to rocks & ledges of fast-moving streams, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.

image of Podostemum ceratophyllum

Tim Spira    tpspceratophyllum1

June        


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