Spirodela punctata

(G. Meyer) C. H. Thompson

Rep. (Annual) Missouri Bot. Gard. 9:28. 1898

Basionyms: Lemna punctata G. Meyer Prim. Fl. Esseq., 262. 1818
Synonyms: Spirodela oligorrhiza (Kurz) Hegelmaier
Treatment appears in FNA Volume 22. Treatment on page 145.
Click plate for higher resolution version.
Illustrator: John Myers
Roots (1–)2–7(–12), to 7 cm, all perforating scale. Fronds obovate, flat or gibbous, 1.5–8 mm, 1.5–2 times as long as wide, apex mostly pointed, upper surface without red spot; veins (3–)5–7; distinct turions absent. Flowers: ovaries 1–2-ovulate. Fruits 0.8–1 mm, laterally winged to apex. Seeds with 10–15 distinct ribs. 2n = 40, 46, 50

Phenology: Flowering (rare) summer�early fall.
Habitat: Eutrophic, quiet waters, in warm-temperate to subtropical regions with mild winters
Elevation: 0–900 m

Distribution

V22 162-distribution-map.jpg

Ala., Ariz., Ark., Calif., D.C., Fla., Ga., Ill., Ky., La., Miss., Mo., N.C., Okla., Oreg., Pa., S.C., Tenn., Tex., Va., Wash., South America, Asia, Africa, Atlantic Islands, Pacific Islands, Australia.

Discussion

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Spirodela punctata"
AuthorElias Landolt +
Authority(G. Meyer) C. H. Thompson +
BasionymsLemna punctata +
DistributionAla. +, Ariz. +, Ark. +, Calif. +, D.C. +, Fla. +, Ga. +, Ill. +, Ky. +, La. +, Miss. +, Mo. +, N.C. +, Okla. +, Oreg. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. +, Wash. +, South America +, Asia +, Africa +, Atlantic Islands +, Pacific Islands + and Australia. +
Elevation0–900 m +
HabitatEutrophic, quiet waters, in warm-temperate to subtropical regions with mild winters +
IllustratorJohn Myers +
Introducedtrue +
PhenologyFlowering (rare) summer�early fall. +
Publication titleRep. (Annual) Missouri Bot. Gard. +
Publication year1898 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 162.xml +
SynonymsSpirodela oligorrhiza +
Taxon familyLemnaceae +
Taxon nameSpirodela punctata +
Taxon parentSpirodela +
Taxon rankspecies +
VolumeVolume 22 +