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Seed coat morphology of Aizoaceae-Sesuvioideae, Gisekiaceae and Molluginaceae, and its systematic significance

Title data

Hassan, Nasr M. Sayed ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Seed coat morphology of Aizoaceae-Sesuvioideae, Gisekiaceae and Molluginaceae, and its systematic significance.
In: Botanical Journal of the Linnean Society. Vol. 148 (2005) Issue 2 . - pp. 189-206.
ISSN 1095-8339
DOI: https://doi.org/10.1111/j.1095-8339.2005.00407.x

Abstract in another language

Macro- and micromorphological characters of the seeds of 32 species belonging to Aizoaceae (26 species), Gisekiaceae(one species) and Molluginaceae (five species) were analysed for their taxonomic value. Seed morphology is found to be of considerable taxonomic value within the taxa investigated, although additional criteria are usually necessary for distinguishing the species. However, a subgroup of Trianthema, consisting of T. cussackiana, T. megasperma, T. pilosa, T. rhynchocalyptra and T. oxycalyptravar.oxycalyptra(Aizoaceae) shares the synapomorphy of seeds with scattered idioblast cells (papillae). There is little infrageneric variation within Sesuvium and Zaleyain contrast to Trianthema, whose seeds are considerably polymorphic. The fairly different seed structures found in Aizoaceaes.s. and Molluginaceae support their treatment as two distinct families. However, the position of Lineum(Molluginaceae) remains uncertain. Moreover, seed characters support the independence of Gisekia(Gisekiaceae)in a family of its own.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER36635
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics > Chair Plant Systematics - Univ.-Prof. Dr. Sigrid Liede-Schumann
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions > Research Centres > Institute of African Studies - IAS
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 580 Plants (Botany)
Date Deposited: 14 Jul 2015 06:22
Last Modified: 25 Nov 2015 10:42
URI: https://eref.uni-bayreuth.de/id/eprint/16468