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Abstract Detail


Charles Heiser Special Contributed Paper Session

Martine, Christopher [1].

Designation of Solanum section Kakadu (Solanaceae) from Australia.

Solanum section Kakadu, as proposed here, includes two "spiny solanum" (Subgenus Leptostemonum) species native to The Northern Territory, Australia: S. asymmetriphyllum and the recently-described S. sejunctum. Species in this section are dioecious, clonal, woody shrubs to 2 m in height; with stem armature scattered or missing; and with calyx lobes nearly enclosing the berries at maturity. Like all other known dioecious Solanum taxa, this breeding system is achieved in section Kakadu through the production of inaperturate pollen in morphologically bisexual flowers. Large-scale shifts in climate may have played a role in the geographic and phylogenetic isolation of section Kakadu, a clade of two species that has proven difficult to place in taxonomic treatments.

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1 - SUNY Plattsburgh, Biological Sciences, 101 Broad Street, Plattsburgh, NY, 12901, USA

Keywords:
Solanum
Solanaceae
dioecy.

Presentation Type: Oral Paper:Papers for Topics
Session: 03
Location: Lindell D/Chase Park Plaza
Date: Monday, July 11th, 2011
Time: 8:45 AM
Number: 03004
Abstract ID:646


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