Robert W. Freckmann Herbarium

Alismataceae: water-plantain

Arrow-shaped, lance-shaped, or oval smooth leaves on long petioles that sheath the stem. Flowers usually in whorls of 3 with 3, usually white, roundish petals. Found in wet places.
Flora of North America: Discussion, key to genera (opens new window)
Flower Formula:  Sepals 3; Petals 3 Glossary

Genus 
(Click for Taxon List)
WI Taxa
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Photo Genus Traits Google Searches
Alisma
water-plantain
3 Photo of Alisma Flowers on a widely branching cluster.
Leaves elliptical or egg-shaped
Images   Information
Echinodorus
bur-head
1 Photo of Echinodorus Flowers in open umbels, leafless stems,
leaves oval to lance-shaped, fruit a spiny burr.
Images   Information
Sagittaria
arrow-head
7 Photo of Sagittaria Flowers in whorl of usually 3 from unbranched stalk.
Leaves linear, oval or arrow-shaped
Images   Information


         
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