familyPotamogetonaceae
genusStuckenia
speciesStuckenia filiformis
subspeciesStuckenia filiformis subsp. filiformis
Stuckenia filiformis subsp. filiformis
Treatment appears in FNA Volume 22.
Revision as of 23:59, 29 July 2020 by imported>Volume Importer
Stems 10–30 cm. Leaves: stipules persistent, those on proximal portion of stem tightly clasping or slightly enlarged; 0.2–0.5 mm wide. Inflorescences: peduncles with flowers and/or fruits 4 cm or more apart. Fruits common.
Phenology: Flowering summer.
Habitat: Calcareous waters of ponds, lakes, and streams
Elevation: 0–915 m
Distribution
![V22 526-distribution-map.jpg](/w/images/3/3a/V22_526-distribution-map.jpg)
Greenland, N.W.T., Yukon, Alaska, Europe, Asiaasia
Discussion
No specimens have been seen from British Columbia or Nunavut, but the subspecies is to be expected there.
Selected References
None.
Lower Taxa
None.
"not elongating" is not a number.
... more about "Stuckenia filiformis subsp. filiformis"
dehiscing +
distinct +
acute +
inconspicuous +
linear;filiform +
full +
curved +
absent +
bisexual +
4 cm40 mm <br />0.04 m <br /> (?) +
drupaceous +
dark-brown +
common +
obovoid +
4 cm40 mm <br />0.04 m <br /> (?) +
not projecting +
submersed +
sessile +
alternate +
opaque +
floating +
submersed +
distinct +
orthotropous +
marginal +
not pedunculate +
apart +
pliable +
erect +
filiform +
slender +
spheric +
Flora fur das deutsche Volk +
1912 +
absent +
ligulate +
circular +
not persisting +
longer +
inflated +
capitate +
epitepalous +
branching +
subterete +
inflated +
persistent +
adnate +
not tubular +
enlarged +
width +
Stuckenia filiformis subsp. filiformis +
Stuckenia filiformis +
subspecies +
absent +
absent +