Difference between revisions of "Elodea bifoliata"

H. St. John

Research Studies of the State College of Washington 30(2): 23. 1962.

Endemic
Synonyms: Elodea longivaginata H. St. John
Treatment appears in FNA Volume 22.
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|genus=Elodea
 
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|species=Elodea bifoliata

Latest revision as of 20:32, 5 November 2020

Leaves sometimes in 2s, spreading, linear to narrowly elliptic, 4.7–24.8 × (0.8–)1.8–4.3 mm, flat. Inflorescences: staminate spathes cylindric, 10.2–42 mm; peduncles abscissing following anthesis; pistillate spathes linear, 9–67 mm. Flowers unisexual; staminate flowers: stamens 7–9; pedicels remaining briefly following anthesis; inner 3 filaments connate proximally, forming column; anthers 3–4.5 mm; pollen in monads; pistillate flowers: styles 2.3–3 mm. Seeds ellipsoid, 2.8–3 mm, densely covered with long hairs.


Phenology: Flowering summer–fall.
Habitat: Waters of rivers and reservoirs
Elevation: 100–2500 m

Distribution

V22 95-distribution-map.jpg

Alta., B.C., Man., Sask., Colo., Idaho, Kans., Minn., Mont., N.Mex., N.Dak., Oreg., S.Dak., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Elodea bifoliata"
Robert R. Haynes +
H. St. John +
Alta. +, B.C. +, Man. +, Sask. +, Colo. +, Idaho +, Kans. +, Minn. +, Mont. +, N.Mex. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +  and Wyo. +
100–2500 m +
Waters of rivers and reservoirs +
Flowering summer–fall. +
Research Studies of the State College of Washington +
Elodea longivaginata +
Elodea bifoliata +
species +