Myriophyllum heterophyllum Michx.

Two-Leaf Water-Milfoil


CC = 8
CW = -5
MOC = 34

© DETenaglia

Family - Haloragaceae

Stems - No info yet.

Leaves - No info yet.

Myriophyllum_heterophyllum_leaves.jpg Leaves of the flowering stems.

© DETenaglia

Inflorescence - No info yet.

Flowers - No info yet.

Myriophyllum_heterophyllum_flowers.jpg Flowers close-up.

© DETenaglia

Flowering - May - September.

Habitat - Spring branches, spring fed ponds, sloughs, ox-bows, ditches, streams.

Origin - Native to the U.S.

Other info. - This common and attractive species is found mainly in the southern 1/2 of Missouri but a disjunct population has been found in a pond in Grundy County which is fairly far north in the state. The plant can be identified easily by its habitat (it is most frequent in cold, clear waters), its whorled vegetative leaves, and the small fimbriate leaves of its flowering stems. The species epithet heterophyllum means "different leaves."

Photographs taken near Pultite Spring, Shannon County, MO., 7-11-04.