Key to Alismataceae
View taxon page for Alismataceae
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Pistils,
fruits ±
fused at base;
petals cut; flowers
bisexual 
Both male and female reproductive parts occurring and functional in the same plant or structure (e.g., flower, spikelet, inflorescence).
;
stamens 6
..... DAMASONIUM 1' Pistils, fruits
free, in 1
whorl on
margin of ± flat
receptacle or spiralled on
convex receptacle; petals ± cut to generally
entire 
Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.).
; flowers bisexual or
unisexual; stamens 0, generally 6, or 7–30
2. Pistils, fruits in 1 whorl on margin of ± flat receptacle; stamens generally 6; flowers bisexual
..... ALISMA 2' Pistils, fruits spiralled on convex receptacle; stamens 0 or 7–30; flowers bisexual or unisexual
3' Fls, or at least
proximal, unisexual; fruit cluster not bur-like, beaks terminal, 0.1–0.4 mm, or
lateral, 0.1–2 mm
..... SAGITTARIA
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