Environmental Engineering Reference
In-Depth Information
NYMPHAEA VARIEGATA
(DURAND)
G.S.MILL (=
NUPHAR VARIEGATA
)
Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Nymphaeles
Family: Nymphaeceae
Common name: Bullhead pond lily
Distribution: North America
Habitat: Ponds, lakes, slow streams, ditches
Description: This dicot, loating, perennial plant has a large spongy rhizome.
The loating leaves (5-15 cm across) are rounded and arrow shaped. Their
stalk is lattened and poorly winged. The globe or saucer-shaped, solitary,
reddish yellow, eight-part lowers (3-5 cm wide) are seen above water.
Compounds and activities: The biologically active two gallotannins and two
ellagitannins isolated from this species possess antibacterial properties
(Yang et al.,
1999). Ellagitannins have also shown antitumor properties.
NYMPHAEA TUBEROSA
PAINE (=
NYMPHAEA ODORATA
)
