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1. High proportion of cactus species threatened with extinction

Author

Goettsch, Bárbara, primary, Hilton-Taylor, Craig, additional, Cruz-Piñón, Gabriela, additional, Duffy, James P., additional, Frances, Anne, additional, Hernández, Héctor M., additional, Inger, Richard, additional, Pollock, Caroline, additional, Schipper, Jan, additional, Superina, Mariella, additional, Taylor, Nigel P., additional, Tognelli, Marcelo, additional, Abba, Agustín M., additional, Arias, Salvador, additional, Arreola-Nava, Hilda J., additional, Baker, Marc A., additional, Bárcenas, Rolando T., additional, Barrios, Duniel, additional, Braun, Pierre, additional, Butterworth, Charles A., additional, Búrquez, Alberto, additional, Caceres, Fátima, additional, Chazaro-Basañez, Miguel, additional, Corral-Díaz, Rafael, additional, del Valle Perea, Mario, additional, Demaio, Pablo H., additional, Duarte de Barros, Williams A., additional, Durán, Rafael, additional, Yancas, Luis Faúndez, additional, Felger, Richard S., additional, Fitz-Maurice, Betty, additional, Fitz-Maurice, Walter A., additional, Gann, George, additional, Gómez-Hinostrosa, Carlos, additional, Gonzales-Torres, Luis R., additional, Patrick Griffith, M., additional, Guerrero, Pablo C., additional, Hammel, Barry, additional, Heil, Kenneth D., additional, Hernández-Oria, José Guadalupe, additional, Hoffmann, Michael, additional, Ishihara, Mario Ishiki, additional, Kiesling, Roberto, additional, Larocca, João, additional, León-de la Luz, José Luis, additional, Loaiza S., Christian R., additional, Lowry, Martin, additional, Machado, Marlon C., additional, Majure, Lucas C., additional, Ávalos, José Guadalupe Martínez, additional, Martorell, Carlos, additional, Maschinski, Joyce, additional, Méndez, Eduardo, additional, Mittermeier, Russell A., additional, Nassar, Jafet M., additional, Negrón-Ortiz, Vivian, additional, Oakley, Luis J., additional, Ortega-Baes, Pablo, additional, Ferreira, Ana Beatriz Pin, additional, Pinkava, Donald J., additional, Porter, J. Mark, additional, Puente-Martinez, Raul, additional, Gamarra, José Roque, additional, Pérez, Patricio Saldivia, additional, Martínez, Emiliano Sánchez, additional, Smith, Martin, additional, Manuel Sotomayor M. del C., J., additional, Stuart, Simon N., additional, Muñoz, José Luis Tapia, additional, Terrazas, Teresa, additional, Terry, Martin, additional, Trevisson, Marcelo, additional, Valverde, Teresa, additional, Van Devender, Thomas R., additional, Véliz-Pérez, Mario Esteban, additional, Walter, Helmut E., additional, Wyatt, Sarah A., additional, Zappi, Daniela, additional, Alejandro Zavala-Hurtado, J., additional, and Gaston, Kevin J., additional

Published
2015
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4. Palm Stem Shape Correlates with Hurricane Tolerance, in a Manner Consistent with Natural Selection.

Author

PATRICK GRIFFITH, M., WITCHER, ERICKA, NOBLICK, LARRY, and HUSBY, CHAD

Subjects
*PALMS, *SYAGRUS, *PLANT morphology, *HURRICANES & the environment, *NATURAL selection, *PLANTS
Abstract

Palms have been characterized as tolerant of high winds, but that may be a simplified view. The effects of hurricanes on palm collections at Montgomery Botanical Center offered the opportunity to investigate aspects of natural selection for wind tolerance. A major finding is that wind tolerance is correlated with geography - Caribbean palms are more resistant than South American palms. This finding prompted further investigation of palm habit - basic morphology - in relation to wind resistance. Here, we present data on basic stem shape (height and diameter), root habit characters and their relationship to wind tolerance, using examples from Coccothrinax and Syagrus. We find that stem shape correlates with hurricane tolerance in Syagrus, but not in Coccothrinax; this is consistent with natural selection of Caribbean palms for high winds. [ABSTRACT FROM AUTHOR]

Published
2013

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