Hippuris tetraphylla

Linnaeus f.

Suppl. Pl., 81. 1782.

Common names: Hippuride à quatre feuilles
Illustrated
Treatment appears in FNA Volume 17. Treatment on page 56. Mentioned on page 52, 55.

Stems 80–450 mm. Rhizomes 3–5 mm diam. Leaves on mid portions of emergent shoots in whorls of 3–5 (or 6), oblanceolate or oblong to broadly obovate, 6–15 × 2–8 mm, midvein inconspicuous, lateral-veins present, sometimes obscure, ape× obtuse, rounded, or blunt, tip not curled in dried plants. Flowers bisexual; filaments equal to or shorter than anthers. Drupes 1.8–2 × 0.6–1.2 mm. 2n = 32.


Phenology: Flowering summer.
Habitat: Saline or brackish lagoons and pools of maritime coastlines.
Elevation: 0 m.

Distribution

B.C., Man., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Ont., Que., Yukon, Alaska, Eurasia

Discussion

The leaves of Hippuris tetraphylla tend to be fleshy or leathery, which is typical of obligate halophytes.

Selected References

None.

Lower Taxa

None.
... more about "Hippuris tetraphylla"
Reidar Elven +, David F. Murray +  and Heidi Solstad +
Linnaeus f. +
alternate +, opposite +, whorled +, helical +  and subopposite +
not leathery +  and not fleshy +
Hippuride à quatre feuilles +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
B.C. +, Man. +, Nfld. and Labr. (Labr.) +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +  and Eurasia +
0.18 cm1.8 mm <br />0.0018 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
drupe-like +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +  and 0.12 cm1.2 mm <br />0.0012 m <br /> (?) +
curved +  and straight +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
Saline or brackish lagoons and pools of maritime coastlines. +
blunt +  and rounded +
persistent +  and deciduous +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
oblong +  and broadly obovate +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
entire +  and subentire toothed or lobed +
inconspicuous +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
Flowering summer. +
Suppl. Pl., +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
minute +
globular +
distinct +  and connate +
5 +  and 4 +
Illustrated +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
8 cm80 mm <br />0.08 m <br /> (45 cm450 mm <br />0.45 m <br />) +
Hippuris tetraphylla +
Hippuris +
species +
not curled +