Embargoed until 2:00 P.M., EST
NSF PR 02-09 - January 30, 2002
Note About
Images
Photo 1
The flower of Nuphar polysepalum,
or pond lily.
Photo Credit: Joseph Williams
Photo 2
Nuphar polysepalum, or pond
lily, occurs throughout the northern hemisphere in
cold climates, and is pictured here in a high altitude
lake in Colorado, USA.
Photo Credit: Joseph Williams
Photo 3
Double fertilization in Nuphar involves
the fusion of sperm and egg (not shown) as well as
a second fertilization event: the fusion of a sperm
nucleus and a central cell nucleus as shown here.
Photo Credit: Joseph Williams
Return to Press Release NSF PR
02-09 - January 30, 2002
|