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Abstract Detail


Systematics Section / ASPT

Sidoti, Brian [1].

A Taxonomic Revision of Tillandsia fasciculata Sw. (Bromeliaceae).

As threats to natural areas increase, resource managers need solid baseline information on the conservation status of plants. The Tillandsia fasciculata Sw. (Bromeliaceae) complex occurs in and around the Caribbean Basin. This species is listed as endangered in the state of Florida and its conservation status in the Caribbean is unknown. The species has eight recognized taxa: fasciculata, clavispica, densispica, densispica forma alba, laxispica, pendulispica, uncispica, and venosispica. Morphological features and geographical distributions define this highly polymorphic species complex, a notoriously difficult one for specialists and non-specialists alike to identify. Due to poor herbarium material, structural similarity and weak taxonomic boundaries these eight described entities need revision. The primary goal of this study is to test the present taxonomic circumscription of these taxa using morphological characters. Over 1400 herbarium specimens and 28 natural populations in Florida, the Bahamas and Cuba were examined. Multivariate analyses support the historical delineation of some of these entities while suggesting that others should be treated at the specific rank.


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1 - Florida International University, 2028 Sw 5Th St, Miami, Florida, 33135, USA

Keywords:
Bromeliaceae
Tillandsia
Morphometrics
Caribbean.

Presentation Type: Oral Paper:Papers for Sections
Session: CP16
Location: Stevens 3/Hilton
Date: Monday, July 9th, 2007
Time: 3:30 PM
Number: CP16009
Abstract ID:2103


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