Pollen morphology of the African Sclerosperma (Arecaceae)

Author(s)
Friðgeir Grímsson, Johan L.C.H. van Valkenburg, Jan J. Wieringa, Alexandros Xafis, Bonnie F. Jacobs, Reinhard Zetter
Abstract

Three currently accepted Sclerosperma species appear to produce four different pollen morphologies. Sclerosperma mannii and S. walkeri pollen share the same distinct reticulate sculpture, but S. profizianum produces three different pollen types (microreticulate, fossulate, and perforate). The pollen morphology suggests that S. mannii and S. walkeri are sister taxa of the same intrageneric lineage. The pollen diversity observed in S. profizianum suggests (a) this taxon is unique regarding its pollen diversity despite being a non-heterostylous plant or (b) that circumscription of S. profizianum as a species may well be in the need of redefinition.

Organisation(s)
Department of Palaeontology
External organisation(s)
National Herbarium of The Netherlands, Southern Methodist University
Journal
Grana
Volume
58
Pages
99-113
ISSN
0017-3134
DOI
https://doi.org/10.1080/00173134.2018.1519033
Publication date
11-2018
Peer reviewed
Yes
Austrian Fields of Science 2012
105118 Palaeontology
Keywords
ASJC Scopus subject areas
Ecology, Evolution, Behavior and Systematics, Plant Science
Portal url
https://ucris.univie.ac.at/portal/en/publications/pollen-morphology-of-the-african-sclerosperma-arecaceae(75e3588d-b282-4930-b36d-88dfc28eedc2).html