familyMarsileaceae
genusPilularia
Show Lower Taxa
Pilularia
Sp. Pl. 2: 1100. 1753; Gen. Pl. ed. 5, 486, 1754.
Common names: Pillwort
Etymology: Latin pilula, a little ball, in reference to the spheric sporocarps
Treatment appears in FNA Volume 2.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Marsilea quadrifolia Marsilea vestita Marsilea mollis Marsilea oligospora Marsilea macropoda Pilularia americana | John Myers John Myers John Myers John Myers John Myers John Myers |
Plants aquatic, commonly entirely under water and infrequently persisting on bare mud. Roots arising at nodes. Leaves filiform, terete, lacking expanded blades. Sporocarps subterranean, borne on unbranched stalks arising at bases of petioles, attached laterally to stalk apex (attached portion called raphe), lacking teeth; sporocarps densely to sparsely hairy, less so with age, dehiscing into 4 valves.
Distribution
North America, South America, Europe, Pacific Islands in New Zealand, Australia
Discussion
Species 6 (1 in the flora).
Selected References
Lower Taxa
... more about "Pilularia"
simple +
unbranched +
arising +
lacking +
expanded +
arising +
pea--shaped +
hard +
few +
Pillwort +
multicellular +
attached +
long-petioled +
distichous +
subterranean +
protruding +
single +
bare +
unbranched +
arising +
Sp. Pl. +
1754 +
arising +
dehiscing +
attached +
subterranean +
hairy +
unbranched +
long-creeping +
Pilularia +
Marsileaceae +
genus +
rhizomatous +
persisting +