Robert W. Freckmann Herbarium


  Callitriche heterophylla Pursh image
Photographer: Louisiana State University           

from USDA Plants Website
Family Callitrichaceae
Callitriche heterophylla Pursh
large water-starwort
Callitriche: from the Greek calos, "beautiful," and trichos, "hair," because of the beautiful stems
heterophylla: Greek hetero for "varied" and phylla for "leaves"
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Detailed Distribution:
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Status: Threatened
Plant: annual, submersed aquatic with tips of the shoots floating or forming mats in mud, less than 9" long; stems fine; roots shallow
Flower: 2-parted, minute, in the leaf axils
Fruit:nearly as long as wide capsule, round but sometimes slightly wider above the middle, with shallow grooves and no wingsfruit drawing
Leaf:opposite, denser toward the tip of the stem, ribbon-like, pale green, smooth edges; when on the water surface, they form a rosette of spatulate leaves up to 1/4" wide
Habitat: quiet water; in muddy, sandy soil
Notes: differing from C. plaustris mainly in the fruit shape and edges
(Glossary)

More Information Natural Communities Herbarium Specimens
All Callitriche list Google- Images or Text
Synonyms 
Callitriche anceps Fernald
Callitriche heterophylla Pursh subsp. heterophylla

         
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