New Zealand Journal of Botany abstracts

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Short communication

Gynodioecy in Teucridium parvifolium (Verbenaceae), a threatened, small-leaved shrub from New Zealand

M. F. Merrett

Landcare Research
Private Bag 3127
Hamilton, New Zealand

Abstract  Flowers of Teucridium parvifolium were examined in situ to investigate its breeding system, which was previously thought to be hermaphroditic. Gynodioecy was found in two of the six North Island populations investigated. There was a significant difference in the size of flowers from female and hermaphrodite plants at each site, but no difference in flower size within each gender among the sites. Female flowers have vestigial, non-functional anthers on short filaments positioned near the base of the corolla.

Keywords  Teucridium parvifolium; Verbenaceae; gynodioecy; hermaphrodite; New Zealand; small-leaved; endemic

B05005; Received 14 January 2005; accepted 8 June 2005; Online publication date 15 July 2005
New Zealand Journal of Botany, 2005, Vol. 43: 613–617
0028–825X/05/4303–0613 © The Royal Society of New Zealand 2005

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