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Annals of Botany 78: 67-72, 1996
© 1996 Annals of Botany Company

Apomixis and Polyembryony in the Guggul Plant, Commiphora wightii

PROMILA GUPTA, K. R. SHIVANNA and H. Y. MOHAN RAM

Department of Botany, University of Delhi, Delhi, 110007, India

October 2, 1995 ; January 17, 1996

The present report is a part of our study on the reproductive biology of a traditional Indian medicinal plant,Commiphora wightii, a source of guggul steroids. Field examination showed a predominantly large number of isolated and groups of female individuals. Only one andromonoecious and two exclusively male plants were recorded. Female plants set seed irrespective of the presence or absence of pollen. Hand-pollination experiments and embryological studies have confirmed the occurrence of non-pseudogamous apomixis, nucellar polyembryony and autonomous endosperm formation for the first time in this plant, which is presently threatened by over-exploitation.

Commiphora wightii ; autonomous endosperm; guggul; medicinal plant; non-pseudogamous apomixis; nucellar polyembryony


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