|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: Potamogetonaceae||View Description||Dichotomous Key|
|Genus: Potamogeton||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Potamogeton crispus L.
Habit: Annual, from hard winter buds. Stem: < 90 cm, branches above, +- compressed. Leaf: submersed, sessile, 4--8 cm, 0.5--0.8 cm wide, oblong, thick, +- wavy, serrate, tip rounded, veins 3--5; stipules generally < 1 cm, +- free, in age fibrous. Inflorescence: < 2 cm. Fruit: 4--6 mm, keels 0, sides +- concave to convex, beak 2--3 mm. Chromosomes: 2n=52.
Ecology: Uncommon. Shallow water, ponds, streams; Elevation: < 2100 m. Bioregional Distribution: KR, NCoR, CaR, s SN, n SNH, GV, CCo, SnFrB, SCo, ChI, SnGb, SnBr, PR, D; Distribution Outside California: +- worldwide; native to Eurasia, Australia. Flowering Time: Jul--Sep
eFlora Treatment Author: C. Barre Hellquist, Robert F. Thorne & Robert R. Haynes
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Potamogeton berchtoldii
Next taxon: Potamogeton diversifolius
Citation for this treatment: C. Barre Hellquist, Robert F. Thorne & Robert R. Haynes 2017. Potamogeton crispus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=39560, accessed on February 19, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 19, 2017.