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Systematics and evolution of the tro...

Specht, Chelsea Dvorak.

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Systematics and evolution of the tropical monocotyledonous family Costaceae (Zingiberales).

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Systematics and evolution of the tropical monocotyledonous family Costaceae (Zingiberales)./
作者:	Specht, Chelsea Dvorak.
面頁冊數:	250 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-11, Section: B, page: 5305.
Contained By:	Dissertation Abstracts International64-11B.
標題:	Biology, Botany. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3114230
ISBN:	0496617230

Systematics and evolution of the tropical monocotyledonous family Costaceae (Zingiberales).
Specht, Chelsea Dvorak.

Systematics and evolution of the tropical monocotyledonous family Costaceae (Zingiberales). - 250 p.

Source: Dissertation Abstracts International, Volume: 64-11, Section: B, page: 5305.

Thesis (Ph.D.)--New York University, 2004.

While universally recognized as an ecologically important and visually dramatic part of the worldwide tropical flora, the evolution and diversification of the monocotyledonous plant family Costaceae (Zingiberales) has not been previously examined in a phylogenetic context. In order to determine the evolutionary history of the family and provide a framework for investigating morphological and biogeographic diversification, a phylogenetic study of the family is presented using both molecular and morphological data analyzed in a cladistic framework. The results from this analysis are used to re-classify the Costaceae based on phylogenic principles. The phylogenetic hypothesis is also used to draw conclusions about the evolution of floral development and the role of pollination syndrome in speciation and macroevolution. In order to investigate biogeographic patterns of diversification within the tropics, molecular sequence data is combined with fossil evidence for the order Zingiberales. These data date the origin of the order to approximately 120 million years ago with major lineage diversification taking place around 90 million years ago. The Costaceae, a member of the crown group of Zingiberales, begins to diversify approximately 65 million years ago, with rapid radiations leading to large clades in the Neotropics and in New Guinea. Combining the information about nodal ages with ancestral distribution information provides a means of developing a biogeographic hypothesis for the diversification of Costaceae and current patterns of distribution within the family.

ISBN: 0496617230Subjects--Topical Terms:

1017825
Biology, Botany.

Systematics and evolution of the tropical monocotyledonous family Costaceae (Zingiberales).
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500 $a Adviser: Gloria Coruzzi.
502 $a Thesis (Ph.D.)--New York University, 2004.
520 $a While universally recognized as an ecologically important and visually dramatic part of the worldwide tropical flora, the evolution and diversification of the monocotyledonous plant family Costaceae (Zingiberales) has not been previously examined in a phylogenetic context. In order to determine the evolutionary history of the family and provide a framework for investigating morphological and biogeographic diversification, a phylogenetic study of the family is presented using both molecular and morphological data analyzed in a cladistic framework. The results from this analysis are used to re-classify the Costaceae based on phylogenic principles. The phylogenetic hypothesis is also used to draw conclusions about the evolution of floral development and the role of pollination syndrome in speciation and macroevolution. In order to investigate biogeographic patterns of diversification within the tropics, molecular sequence data is combined with fossil evidence for the order Zingiberales. These data date the origin of the order to approximately 120 million years ago with major lineage diversification taking place around 90 million years ago. The Costaceae, a member of the crown group of Zingiberales, begins to diversify approximately 65 million years ago, with rapid radiations leading to large clades in the Neotropics and in New Guinea. Combining the information about nodal ages with ancestral distribution information provides a means of developing a biogeographic hypothesis for the diversification of Costaceae and current patterns of distribution within the family.
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