NameThatPlant.net: Podostemum ceratophyllum

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Podostemum ceratophyllum FAMILY Podostemaceae Go to FSUS key

Dig deeper at SERNEC, a consortium of southeastern herbaria.

Read more about Riverweed at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Podostemum ceratophyllum FAMILY Podostemaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 090-01-001:

Podostemum ceratophyllum FAMILY Podostemaceae

COMMON NAME:
Riverweed, Threadfoot, Riffleweed

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Podostemum ceratophyllum FAMILY Podostemaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Podostemum ceratophyllum FAMILY Podostemaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 090-01-001:
Podostemum ceratophyllum FAMILY Podostemaceae

1972

Submersed aquatic (rooted); Forb
Perennial

Habitat: Attached to rocks and dams in rapidly or slowly flowing water, per Weakley's Flora

Native to the Carolinas & Georgia

Common (rare in Coastal Plain)

CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple: dissected into linear or filiform segments
Alternate

FLOWER:
Spring/Summer
Petals absent
2 stamens & 2 minute staminodia
Bisexual

Flowers in leaf axils

FRUIT:
Spring/Summer
Red
Capsule

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

If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".

Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".