Download Agavengewächse, Agaven, Agavaceae: Systematik der Familie by Hendrik Prerow PDF

By Hendrik Prerow

Studienarbeit aus dem Jahr 2009 im Fachbereich Biologie - Botanik, notice: keine, Leopold-Franzens-Universität Innsbruck (Institut für Botanik), Veranstaltung: Biologisches Seminar Botanik, Sprache: Deutsch, summary: Die Arbeit liefert einen Überblick über die Systematik der Familie der Agavaceae. Die Agavaceae gliedern sich in der Klasse Liliopsida in die Unterklasse Liliidae und dort in die Ordnung Asparagales ein. Je nach Autor gibt es aktuell unterschiedliche systematische Einordnungen dieser - und innerhalb dieser - Familie. Sie umfasst mindestens 550 Arten und etwa 18 Gattungen (Verhoek und Hess 2008), wobei hier noch Unklarheiten bestehen. Die Spezies weisen typische Merkmale der Liliopsida auf. Die Morphologie der Gattungen ist äußerst vielgestaltig, die meisten Arten sind allerdings Geophyten, die besonders intestine an trockene Standorte angepasst sind. Wichtige Unterscheidungsmerkmale gegenüber anderen Pflanzenfamilien sind unter anderem die Blütenstände. Einige Arten besitzen einen hohen ehnobotanischen Nutzen.
Systematikstand 2008.

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