Alisma gramineum

Alisma gramineum

Taxobox
name = "Alisma gramineum"



image_width = 250px
regnum = Plantae
divisio = Magnoliophyta
classis = Liliopsida
ordo = Alismatales
familia = Alismataceae
genus = "Alisma"
species = "A. gramineum"
binomial = "Alisma gramineum"
binomial_authority = Lej.
synonyms = "Alisma geyeri"

"Alisma gramineum" is a small aquatic plant in the water-plantain family. It has several common names including narrowleaf water-plantain, ribbonleaf water-plantain, and grass-leaved water-plantain. It grows in mud or submerged in shallow fresh or brackish water in marshy areas. The leaves and tiny purple-tinted white flowers may be submersed or not. When the flowers grow underwater they are cleistogamous, meaning they stay closed and self-pollinate. When the flowers grow above water they open. The leaves above the surface are stiff and wide but those which are submerged are ribbon-like. The fruit is a ring of dry nutlets. Reproduction is by seed or from division of the corm. This plant has a wide distribution. It grows across North America and Europe and into North Africa. This is an endangered and protected species in the United Kingdom.

External links

* [http://plants.usda.gov/java/profile?symbol=ALGR USDA Plants Profile]
* [http://www.ukbap.org.uk/UKPlans.aspx?ID=83 UK Action Plan]
* [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?7883,7884,7885 Jepson Manual Treatment]


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