
Easter Cactus Stigma #1

by Susumu Nishinaga
Title
Easter Cactus Stigma #1
Artist
Susumu Nishinaga
Medium
Photograph - Photograph
Description
Easter cactus stigma. Colored scanning electron micrograph (SEM) of the stigma (pink) and style (green) of an Easter cactus flower (Rhipsalidopsis gaertneri). This is the top part of the female reproductive structure (carpel) of the flower. Pollen grains containing the male sex cells land on the stigma and may move down the style into the ovary (not seen). If the male cells fertilize the female sex cells (ovules) in the ovary, then the carpel may ripen to form a fruit that contains the plant's seeds. Magnification x60 at 6x7cm size.
Uploaded
December 2nd, 2014
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