Lychnis alba; ovary development in Lychnis
The development of the Lychnis alba ovary has been studied to provide original data regarding the rapid increase in ovary size which follows pollination. Preliminary study of the development of the ovary of an unpollinated flower has shown that this development follows a uniformly regular pattern quite unlike the rapid enlargement following pollination. The development of the unpollinated flower's ovary was traced from the time it was 0.3mm in length to the time it had attained maturity at approximately 7.0mm in length. At this point natural abscission occurs if the flower is not pollinated. A maximum ovary/fruit length of 15.2 mm is attained within 48 hours following pollination. This represents an increase of 121.4% over the ovary length at the time of pollination. The presence of naturally occurring hormone(s) within the ovary whose presence (activation) is dependent primarily upon pollination and fertilization stimuli has been postulated as the reason for this size increase.
Proceedings of the Iowa Academy of Science
© Copyright 1976 by the Iowa Academy of Science, Inc.
Oostenink, William J.
"Ovary Wall and Pericarp Ontogeny in Lychnis Alba (Caryophyllaceae),"
Proceedings of the Iowa Academy of Science: Vol. 83:
, Article 5.
Available at: http://scholarworks.uni.edu/pias/vol83/iss2/5