| Pak. J. Bot., 42(6): 4027-4033, 2010. | Back to Contents | ||||
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Updated: 23-12-10 | ||||
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FLORAL MORPHS AND MODE OF POLLINATION IN OXALIS CORNICULATA L., FROM PAKISTAN
RUBINA ABID
Abstract: Homostylous populations of Oxalis corniculata L., are recorded from Pakistan (stigmas at the level of long stamens) rarely mixed with semihomostylous flowers (stigmas slightly below the long stamens) or flowers with stigmas at the level of short stamens. A variety of insects visited the flowers in search of nectar and pollen but insects did not give preference to any morph as all the insects were interested either in nectar only or nectar and pollen. Breeding experiments and pollen-ovule ratio indicated the facultative autogamous nature of the taxon which was also supported by the higher fruit set in selfing compared to the crossing.
Department of Botany, University of Karachi, Karachi, Karachi-75270, Pakistan. |
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