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Hannah Butler (PhD, UKZN)

butlerhc@gmail.com

Room 115, 2nd floor, Botany 

 

Understanding the role of mechanical isolation within Brunsvigia (Amaryllidaceae)

Short description:

  1. Associate floral morphology with pollinator morphology, including different forms for three widespread species: Brunsvigia radulosaB. gregaria, and B. striata.
  2. Determine the mechanisms driving pollinator shifts within Brunsvigia, specifically the importance of mechanical isolation (in addition to behavioral isolation) by looking at widespread occurring species indicated in objective 1.

 

Publications:

Butler, H.C., Cozien, R.J., Johnson, S.D., 2022. For the birds? Contrasting pollination and breeding systems of the paintbrush lilies Scadoxus puniceus and S. membranaceus (Amaryllidaceae). Plant Systematics and Evolution 308.

Butler, H.C., Johnson, S.D., 2020. Butterfly-wing pollination in Scadoxus and other South African Amaryllidaceae. Botanical Journal of the Linnean Society 193, 363-374.

Butler, H.C., Johnson, S.D., 2022. Seed dispersal by monkey spitting in Scadoxus (Amaryllidaceae): fruit selection, dispersal distances and effects on seed germination. Austral Ecology 47, 1029-1036.

Johnson, S.D., Butler, H.C., Robertson, A.W., 2019. Breeding systems in Cyrtanthus (Amaryllidaceae): Variation in self-sterility and potential for ovule discounting. Plant Biology 21, 1008-1015.

Last Modified: Wed, 15 Feb 2023 11:37:35 SAST