Difference between revisions of "Wolffiella oblonga"
Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 21: 303. 1895.
WeedyIllustrated
Basionym: Lemna oblonga Philippi Linnaea 29: 45. 1857
Treatment appears in FNA Volume 22. Treatment on page 151.
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|special status=Weedy;Illustrated | |special status=Weedy;Illustrated | ||
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|genus=Wolffiella | |genus=Wolffiella | ||
|species=Wolffiella oblonga | |species=Wolffiella oblonga | ||
Latest revision as of 21:32, 5 November 2020
Fronds 1 or 2–8 coherent together in often starlike groups, narrowly tongue-shaped to ribbonlike, 1.2–7.5 mm, 3–8 times as long as wide, rounded at tip or pointed; tract of elongated cells running along or near edge of lower wall of pouch; area of air spaces within frond much longer than wide, often spreading throughout most of frond; angle of pouch 45°–90°; flowering fronds similar to vegetative ones. Fruits 0.3–0.4 mm. 2n = 40, 42.
Phenology: Flowering (very rare) throughout year.
Habitat: Mesotrophic, quiet waters in warm-temperate to subtropical regions with mild winters
Elevation: 0–400 m
Distribution
Calif., Fla., La., Miss., Tex., Mexico, West Indies, Central America, South America.
Discussion
Selected References
None.
Lower Taxa
None.