OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Saxifragales

WEAKLEY'S FLORA (11/30/12):
Myriophyllum spicatum   FAMILY Haloragaceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Myriophyllum spicatum   FAMILY Haloragaceae

 

COMMON NAME:
Eurasian Water-milfoil


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

image of Myriophyllum spicatum, Eurasian Water-milfoil

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_mysp2_001_lvd

        

image of Myriophyllum spicatum, Eurasian Water-milfoil

    wwwplantsifasufl_myrspi

        

plants.ifas.ufl.edu/myrspi.html

image of Myriophyllum spicatum, Eurasian Water-milfoil

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5273022

Month Unknown        

image of Myriophyllum spicatum, Eurasian Water-milfoil

Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org     bug_5308029

Month Unknown        

image of Myriophyllum spicatum, Eurasian Water-milfoil

Chris Evans, Illinois Wildlife Action Plan, Bugwood.org    bug_5330057

Month Unknown        

Stem diameter below inflorescence is up to 2x diameter of lower stem, per Weakley's Flora (2012).

image of Myriophyllum spicatum, Eurasian Water-milfoil

Graves Lovell, Alabama Dept. of Conservation & Natural Resources, Bugwood.org    bug_5400611

Month Unknown        

Leaves well-developed, pinnately divided with filiform segments, per Weakley's Flora (2012).


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image of Myriophyllum spicatum, Eurasian Water-milfoil

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5447204

Month Unknown        

image of Myriophyllum spicatum, Eurasian Water-milfoil

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5447206

Month Unknown        

Flowers/fruits in erect spikes emersed from water, per Weakley's Flora (2012).

 

WEAKLEY'S FLORA (11/30/12):
Myriophyllum spicatum   FAMILY Haloragaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Myriophyllum spicatum   FAMILY Haloragaceae

 

Find by SCIENTIFIC NAME:

965

Submersed aquatic w flowers & fruits above the surface (rooted); Forb
Perennial
Usually monoecious

Non-native: Eurasia

Habitat: Ponds and impoundments, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

 

LEAVES:
Leaves well-developed: pinnately divided with filiform segments
Submersed leaves whorled. Bracts of emersed shoots different than submersed lvs

FLOWER:
Spring/Summer/Fall
Reddish
Unisexual (rarely bisexual)
4 sepals
4 petals
8 stamens
Inferior ovary

Flowers in spikes

FRUIT:
Spring/Summer/Fall
Schizocarp of mericarps

 

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



 


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