This work attempts to offer an insight into the problematic of the genus Elettariopsis Baker, the last unrevised genus in the subfamily Alpinioideae (Zingiberaceae). Phylogenetic analyses are performed on ITS, matK and DCS sequence data and correlated with absolute genome size and biogeographical distribution of the samples. Elettariopsis as a genus is found to be weakly supported and strongly supported only with the addition of some species of Amomum Roxb., including the type species A. subulatum. The absolute genome size in this group is greater than in the outgroup represented by members of the Zingiberoideae subfamily. The evidence given by sequence data further suggests that Elettariopsis is divided into two well-supported groups, the "E. curtisii" group and the "E. triloba/E. unifolia" group, each of which contains several well-supported clades. In the analysis of absolute genome size it is shown that the absolute genome size in the "E. triloba/E.unifolia" group is higher than in the "E. curtisii" group. These two groups also differ slightly in their biogeographical distribution, the group G being distributed in only in Vietnam, Laos, and Thailand, while members of group H are also occurring in Singapore and Indonesia (Borneo). Keywords: Zingiberaceae, Elettariopsis, South-East Asia, ITS,...
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:337628 |
| Date | January 2014 |
| Creators | Hlavatá, Kristýna |
| Contributors | Fér, Tomáš, Dančák, Martin |
| Source Sets | Czech ETDs |
| Language | English |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
Page generated in 0.002 seconds