|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Alismataceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb; roots not septate; flowers bisexual. Leaf: blade linear to ovate, tapered to base or petioled, base tapered to truncate, rounded, or +- lobed. Inflorescence: peduncle generally smooth; pedicels < 45 mm in fruit. Flower: receptacle +- flat; sepals generally 1--4 mm; petals entire to +- cut, white or pink; stamens generally 6; pistils many, free, in 1 whorl on margin of +- flat receptacle. Fruit: body generally 1.5--3 mm, erect, generally strongly compressed, lateral walls opaque to translucent, abaxially thin-ridged; beak < body, generally lateral.
Species In Genus: +- 9 species: generally northern temperate. Etymology: (Greek: ancient name) Note: North American species need study.
eFlora Treatment Author: Charles E. Turner, Robert R. Haynes & C. Barre Hellquist
Jepson Online Interchange
Key to AlismaPrevious taxon: Alismataceae
Next taxon: Alisma gramineum
Citation for this treatment: Charles E. Turner, Robert R. Haynes & C. Barre Hellquist 2017. Alisma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11437, accessed on February 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 25, 2017.