Developmental and Structural Section
Hampilos, Katherine E. , Thadeo, Marcela , Stevenson, Dennis .
Anatomy and development of fleshy fruits in the monocots.
As part of a continuing study on the evolution of fleshy fruits in the monocots, baccate fruits from various monocot families were examined to determine their unique developmental pathways. Though fruits in the monocot clade are predominantly capsular, baccate fruits are present in several monocot orders and families, and are considered the result of convergent evolution. The independent evolution of fleshy fruits multiple times in the monocot clade has been demonstrated by previous observations of differing pericarp ontogeny in distantly related berry fruits. For example, fleshy fruits of Geitonoplesium cymosum (Asparagales) remain entirely parenchymatous throughout development, while baccate fruits of Joinvillea ascendens (Poales) contain sclerified cell layers in both the endocarp and mesocarp at maturity. This study aims to expand on previous work by including select fruits from the Alismatales, Arecales, and Dioscoreales, in addition to previously examined fruits from the Asparagales, Commelinales, Liliales, and Poales, in order to better understand the evolution of fruit types in the monocot clade on a larger scale.
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1 - New York Botanical Garden, Pfizer Lab, 200 Kazimiroff Blvd., Bronx, NY, 10458, USA
2 - The New York Botanical Garden, Science, 200th Street And Southern Blvd, Floor 2, Bronx, New York City, NY, 10458, USA
3 - THE NY BOTANICAL GARDEN, 2900 SOUTHERN BLVD, BRONX, NY, 10458-5126, USA, 718/817-8632
Presentation Type: Oral Paper:Papers for Sections
Location: Union D/Hyatt
Date: Monday, July 9th, 2012
Time: 2:30 PM