Lemna turionifera

Landolt

Aquatic Botany 1: 355, fig. 4g–h. 1975

Common names: Lenticulare turionifère
Treatment appears in FNA Volume 22. Treatment on page 148.
Click plate for higher resolution version.
Illustrator: John Myers
Roots shorter than 15 cm, tip mostly rounded; sheath not winged. Stipes white, small, often decaying. Fronds floating, 1 or 2–few, coherent in groups, obovate, scarcely gibbous, flat, 1–4 mm, 1–1.5 times as long as wide, margins entire; veins 3, greatest distance between lateral veins near or distal to above middle; papillae distinct on midline of upper surface (apical papilla scarcely larger than others); lower surface often red (more intensely so than on upper), coloring beginning at attachment point of root, upper surface (especially near apex) sometimes with red spots; air spaces to 0.3 mm; turions sometimes present, rootless, olive to brown, 0.8–1.6 mm diam., sinking to bottom. Flowers: ovaries 1-ovulate, utricular scale with narrow opening at apex. Fruits 0.5–0.6 mm, not winged. Seeds with 30–60 indistinct ribs, staying within fruit wall after ripening. 2n = 40, 42 (G), 50, 80.

Phenology: Flowering (occasional) summer.
Habitat: Mesotrophic to –eutrophic, quiet waters, in continental, temperate regions
Elevation: 0–3700 m

Distribution

V22 440-distribution-map.jpg

St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Ala., Alaska, Ariz., Calif., Colo., Conn., Idaho, Ill., Ind., Iowa, Kans., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.J., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Tex., Utah, Vt., Wash., W.Va., Wis., Wyo., Mexico (Baja California), Eurasia.

Discussion

I know of no specimens of Lemna turionifera from Maine, New HampshireSt. Pierre and Miquelon, or from New Jersey, but the species is to be expected there..

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Lemna turionifera"
AuthorElias Landolt +
AuthorityLandolt +
Common nameLenticulare turionifère +
DistributionSt. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Ala. +, Alaska +, Ariz. +, Calif. +, Colo. +, Conn. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.J. +, N.Mex. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Tex. +, Utah +, Vt. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Mexico (Baja California) + and Eurasia. +
Elevation0–3700 m +
HabitatMesotrophic to –eutrophic, quiet waters, in continental, temperate regions +
IllustratorJohn Myers +
PhenologyFlowering (occasional) summer. +
Publication titleAquatic Botany +
Publication year1975 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 440.xml +
Taxon familyLemnaceae +
Taxon nameLemna turionifera +
Taxon parentLemna +
Taxon rankspecies +
VolumeVolume 22 +