Image Archives

Amerikaasagao Ipomoea hederacea (= Pharbitis hederacea)

Young embryo (at cotyledonary stage) about one week after fertilization

Copyright 1998-2022 Yoshiaki Yoneda

The left figure shows the embryo at the cotyledonary stage taken out from an ovule of closely related species Ipomoea hederacea. The right figure shows the tissue structure of the embryo at the cotyledonary stage in the embryo sac of an ovule.

Slide No. 264


1 x 1

4 x 4

2 x 2

lens 8 x 8


16 x 16

1 x 1 (thumbnail images) : For indexing
2 x 2, 4 x 4, 8 x 8 : For viewing on monitor
8 x 8, 16 x 16 : For printing

Edited by Yuuji Tsukii (Lab. Biology, Science Research Center, Hosei University)