''Sparganium angustifolium'' is a species of flowering plant in the
cat-tail family known by the common names floating bur-reed
and narrowleaf bur-reed.
It has a
circumboreal distribution, occurring throughout the northern latitudes of the Northern Hemisphere. It is an
aquatic plant, growing in water up to 2.5 meters deep. Its habitat includes acidic, low-nutrient freshwater bodies such as ponds, lakes, slow-moving streams, and ditches. It can become abundant, practically covering the surface of the water. It is a perennial herb producing a floating stem with long, narrow, flattened leaves which can be quite long, sometimes reaching over two meters. It is
monoecious, individual plants bearing both male and female
inflorescence
An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
s. These are spherical, the male inflorescence a ball of
stamens and the female inflorescence a ball of developing fruits.
References
External links
Jepson Manual TreatmentWashington Burke MuseumPhoto gallery
angustifolium
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