Original Research

Reproductive biology of Stomatium bolusiae (Aizoaceae: Ruschioideae)

P. C. Zietsman
Bothalia | Vol 43, No 1 | a83 | DOI: https://doi.org/10.4102/abc.v43i1.83 | © 2013 P. C. Zietsman | This work is licensed under CC Attribution 4.0
Submitted: 13 January 2013 | Published: 13 January 2013

About the author(s)

P. C. Zietsman, Centre for Environmental Management, University of the Free State, Bloemfontein, South Africa

Full Text:

PDF (162KB)

Abstract

Flowers of Stomatium bolusiae are self-incompatible. The species exhibits crepuscular and nocturnal anthesis, exploiting two different pollination mechanisms. The structure of the hermaphroditic flower appears not to favour cross-pollination. The stigmata are never exposed to pollinating agents, which gain access to the floral rewards by forcing their way between the anthers. Clogging of the stigmatic surfaces by self-pollen is common. Nocturnal anthesis, concomitant with the nocturnal release of attractants and the offering of rewards, indicates that this species is primarily phalaenophilous and secondarily melittophilous, exhibiting a bimodal pollination system.

Keywords

Aizoaceae; Crepuscular; Melittophily; Phalaenophily; Pollination; Ruschioideae; Seed Germination; Stomatium Schwantes

Metrics

Total abstract views: 4480
Total article views: 4460

 

Crossref Citations

1. Notes on the Pollinators ofFrithia humilisBurgoyne, an Endangered Highveld Succulent
E. Harris, J. van den Berg, S.J. Siebert
African Entomology  vol: 24  issue: 1  first page: 250  year: 2016  
doi: 10.4001/003.024.0250

2. A bimodal pollination system enhances reproductive potential of translocated populations of an endangered grassland succulent
Peter G. Jansen, Stefan J. Siebert, Frances Siebert, Johnnie van den Berg, Anine Jordaan
KOEDOE - African Protected Area Conservation and Science  vol: 61  issue: 1  year: 2019  
doi: 10.4102/koedoe.v61i1.1562