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Callitriche heterophylla ssp. heterophylla
Callitriche heterophylla Pursh ssp. heterophylla
Two-headed Water-starwort, Varied-leaved Water-starwort, Diverse-leaved Water-starwort
Callitrichaceae (Water-Starwort Family)
Synonym(s): Callitriche anceps, Callitriche heterophylla var. heterophylla
USDA Symbol: CAHEH
USDA Native Status: L48 (N), AK (N), CAN (N), GL (N)
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Plant Characteristics
Duration: AnnualHabit: Herb
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Leaf Shape: Linear
Breeding System: Flowers Unisexual , Monoecious
Inflorescence: Axillary
Fruit Type: Schizocarp
Size Notes: Stems creeping or floating, with rosettes floating on the surface of the water.
Bloom Information
Bloom Color: WhiteBloom Time: Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Distribution
USA: AK , AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WYCanada: NB , NL , NS
Native Habitat: Fresh water aquatic, wetlands, riparian, slow moving water.
Growing Conditions
Aquatic: yesWeb Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Callitriche heterophylla ssp. heterophylla in USDA PlantsFNA: Find Callitriche heterophylla ssp. heterophylla in the Flora of North America (if available)
Google: Search Google for Callitriche heterophylla ssp. heterophylla
Metadata
Record Modified: 2023-01-26Research By: TWC Staff