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Nymphoides coreana
is a perennial herb found in ponds, marshes,
or paddies, emerging with long, slender stems from rhizomes in a
petiole way—blades positioned on their tips. Leaves (the edges) are
concentric or concentric-ovate, measuring 2-6cm in length and 2-4cm
in width, and many have purplish-brown mottled patterns on their
surfaces. There are nodes on the 'stems' at somewhat upper parts
from the midpoints, from which flower buds or new vegetative growths
(leaves with 'stems,' the same thing mentioned above) start—the
latest developments root in due course. Flowers, white, 4- or
5-petaled, 8mm in diameter, have thick white hairs on the margins
and a few on the inside. Fruit is oblong and contains many seeds,
which germinate approximately in May. As for the 'stem,' a lower
portion from the node may be a genuine stem, and the upper a
petiole. Be that as it may, the 'stems' also exist without nodes.
How can it be explained? Who knows at the moment? Bloom time:
July-October. |