Studies in Cyperaceae in southern Africa 42: Pseudo-vivipary in South African Cyperaceae

K. D. Gordon-Gray; H. Baijnath; C. J. Ward; P. D. Wragg

doi:10.1016/j.sajb.2008.07.012

Studies in Cyperaceae in southern Africa 42: Pseudo-vivipary in South African Cyperaceae

K. D. Gordon-Gray, H. Baijnath, C. J. Ward, P. D. Wragg

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15 Scopus citations

Abstract

An account is given of pseudo-vivipary (vegetative apomixis) in South African Cyperaceae. Taxa exhibiting this reproductive strategy are tabled. Stress that effects plant population deterioration and eventual non-survival is attributed as causative; in particular water stress, either as maintained inundation or undue depletion. Habitat conditions appear to govern the balance between fruiting and pseudo-vivipary. This balance is changeable from season to season, area to area, species to species and within species. The viability of seeds within fruits formed upon inflorescences that also are in part pseudo-viviparous has not been tested.

Original language	English (US)
Pages (from-to)	165-171
Number of pages	7
Journal	South African Journal of Botany
Volume	75
Issue number	1
DOIs	https://doi.org/10.1016/j.sajb.2008.07.012
State	Published - Jan 2009
Externally published	Yes

Keywords

Cyperaceae
Pseudo-vivipary
South Africa
Vegetative apomixis

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AB - An account is given of pseudo-vivipary (vegetative apomixis) in South African Cyperaceae. Taxa exhibiting this reproductive strategy are tabled. Stress that effects plant population deterioration and eventual non-survival is attributed as causative; in particular water stress, either as maintained inundation or undue depletion. Habitat conditions appear to govern the balance between fruiting and pseudo-vivipary. This balance is changeable from season to season, area to area, species to species and within species. The viability of seeds within fruits formed upon inflorescences that also are in part pseudo-viviparous has not been tested.

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KW - Pseudo-vivipary

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KW - Vegetative apomixis

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Studies in Cyperaceae in southern Africa 42: Pseudo-vivipary in South African Cyperaceae

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