Isoetes L.
quillwort
Isoetaceae
Eleocharis, Isolepis, Juncus, Littorella, Triglochin
cosmopolitancosmopolitan:
(adj) essentially worldwide in distribution
Isoetes lacustris L.
I. melanopoda Gay & Durieu
I. taiwanensis DeVol
I. velata A. Braun
information not available
not weedy
submerged submerged:
(adj) (syn. submersed) under water; submerged below the water surface
or emergentemergent:
(adj) (syn. emersed) with parts raised out of the water; extending up out of the water
, narrowed-leaved rosetterosette:
(n) a radiating cluster of leaves, usually close to the ground at the base of a plant
, grass-like lycopod
Perennial. Stem compact. Leaves in basalbasal:
(adj) at or pertaining to the base, or point of attachment
rosette, linear, with spathulatespathulate:
(adj) (or spatulate) spoon-shaped
base, transverse septae. SporangiaSporangia:
(n) (pl. sporangia) a unicellular or multicellular sac or structure that produces spores
develop inside leaf base, naked and covered with membranous tissue (velum), spores dimorphic in separate sporangiasporangia:
(n) (pl. sporangia) a unicellular or multicellular sac or structure that produces spores
. Dispersal by spores.
shallow waters of lakes and ponds
A lycopod (in the division Lycopodiophyta, a division of non seed-bearing vascular plants) related to ferns and horsetails. Isoetes is sometimes cultivated for ponds or aquaria.