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Embryological Study of Herminium monorchis (Orchidaceae) Using Confocal Scanning Laser Microscopy
American Journal of Botany
Vol. 77, No. 1 (Jan., 1990), pp. 123-127
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2444800
Page Count: 5
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The embryology of Herminium monorchis (Orchidaceae) was studied using confocal scanning laser microscopy (CSLM), a new technique for embryological studies. This technique may contribute new information to plant embryology. Herminium monorchis has a monosporic embryo sac development. The mature embryo sac is 8-nucleate. Two integuments, both 2-layered, are formed, but only the inner takes part in formation of the micropyle. Double fertilization takes place. The primary endosperm nucleus does not divide, but remains alive at least at the 3-celled stage of embryo development. The three antipodals do not show any sign of degeneration at this stage.
American Journal of Botany © 1990 Botanical Society of America, Inc.