Salvinia molesta Mitchell.

Common Name : Water fern
Family : Salviniaceae

HABIT

A ROOTLESS, AQUATIC FERN.

FRONDS

EMERGENT GROUPS OF LEAVES (FRONDS) GROW IN PAIRS AND ARE APPROXIMATELY 1/2 INCHES WIDE AND 1 INCH LONG. A BROWN, THREAD-LIKE LEAF HANGS UNDERWATER; ALL JOIN AT A NODE ALONG A HORIZONTAL, UNDERWATER STEM. THE UPPER SURFACE OF THE GREEN LEAVES IS COVERED WITH ROWS OF WHITE, COARSE HAIRS, ACTING AS A WATER
REPELLENT.

PROPAGATION

IT GROWS FROM FRAGMENTS THAT HAVE BROKEN OFF OR DORMANT BUDS THAT HAVE BEEN DETACHED FROM THE MAIN PLANT. EACH NODE HAS FIVE BUDS SO POTENTIAL FOR GREAT & RAPID SPREAD. IT ALSO PRODUCES SPORES BUT THEY ARE GENETICALLY DEFECTIVE AND DO NOT PRODUCE VIABLE OFFSPRING.