NameThatPlant.net: Callitriche heterophylla var. heterophylla

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Callitriche heterophylla var. heterophylla FAMILY Plantaginaceae Go to FSUS key

Dig deeper at SERNEC, a consortium of southeastern herbaria.

Read more about Callitriche at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Callitriche heterophylla ssp. heterophylla FAMILY Callitrichaceae

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

Callitriche heterophylla ssp. heterophylla

INCLUDED WITHIN Flora of North America

Callitriche heterophylla

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 109-01-001:

Callitriche heterophylla FAMILY Callitrichaceae

INCLUDING Gray's Manual of Botany (Fernald, 1950)

Callitriche heterophylla

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Callitriche heterophylla

COMMON NAME:
Waterstar, Common Water-starwort, Two-headed Water-starwort

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

image of Callitriche heterophylla var. heterophylla, Waterstar, Common Water-starwort, Two-headed Water-starwort

Keith Bradley kab_c_heterophylla_4967

April Richland County SC

Congaree National Park

Floating & upper leaves spatulate or obovate; submersed or lower leaves linear, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

COMPARE aquatic plants

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Callitriche heterophylla var. heterophylla FAMILY Plantaginaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Callitriche heterophylla ssp. heterophylla FAMILY Callitrichaceae

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

INCLUDED WITHIN Flora of North America
Callitriche heterophylla

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 109-01-001:
Callitriche heterophylla FAMILY Callitrichaceae

INCLUDING Gray's Manual of Botany (Fernald, 1950)
Callitriche heterophylla

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Callitriche heterophylla

2235

Aquatic with submersed, emersed, and floating leaves; Forb
Annual/Perennial
Monoecious

Habitat: Pools, slow-moving streams, ditches, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Carolina Coastal Plain (uncommon elsewhere in GA-NC-SC)

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.)

LEAVES:
Simple - dimorphic
Opposite. Floating rosettes of spatulate leaves & submersed linear leaves
Margins entire

FLOWER:
Spring/Summer/Fall
Unisexual
Sepals absent
Petals absent
1 stamen in staminate flowers
Superior ovary

FRUIT:
Spring/Summer/Fall
Brown

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