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Abstract Detail


Systematics Section / ASPT

Lukas, Laura E. [1], Peters, Melinda [1], Macklin, James A. [2], Davis, III, Charles C. [3].

Identifying a putative hybrid species of Himalayan Gentiana (Gentianaceae).

Gentiana (Gentianaceae) is a lineage of ~362 species principally distributed in temperate Asia, Europe, and North America. Gentiana szechenyii, G. hexaphylla, and G. veitchiorum are herbaceous perennials that occur in alpine meadows in the Himalayan region of China and Bhutan, between 3000-4400 meters. Gentiana veitchiorum exhibits intermediate vegetative and reproductive morphologies between G. szechenyii and G. hexaphylla, suggesting that the former may be of hybrid origin. We tested this hypothesis using principle component analysis (PCA) of morphological data, in addition to molecular data obtained from the nuclear and plastid genomes of these species.


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1 - Harvard University Herbaria, Organismic and Evolutionary Biology, 22 Divinity Avenue, Cambridge, MA, 02138, USA
2 - Harvard University Herbaria, Organismal and Evolutionary Biology, 22 Divinity Avenue, Cambridge, Massachusetts, 02138, USA
3 - Harvard University Herbaria, Organismic and Evolutionary Biology, 22 Divinity Avenue, Cambridge, MA, 02138, United States

Keywords:
Gentiana
hybridization
morphology
China
Himalayas.

Presentation Type: Poster:Posters for Sections
Session: P
Location: Exhibit Hall (Northeast, Southwest & Southeast)/Hilton
Date: Sunday, July 8th, 2007
Time: 8:00 AM
Number: P59047
Abstract ID:2050


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