Field Guide to the Palms of the Americas

Henderson, Andrew; Galeano, Gloria; Bernal, Rodrigo

doi:10.2307/j.ctvcszzzd

Cited by 190 publications

(172 citation statements)

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“…armata extends from just south of the United States-Mexico border southward to just north of the state line of Baja California Sur in the central peninsula (Franco-Vizcaino, Lopez-Beltran, & Salazar-Cesena, 2007;Wiggins, 1980). Nonetheless, the exact limits of the ranges of B. armata and B. brandegeei are unclear because of taxonomic uncertainties (Felger & Joyal, 1999;Felger et al, 2001;Henderson et al, 1995). The Guadalupe fan palm or B. edulis is distributed across the northwestern side of Guadalupe Island (Garcillán, Vega, & Martorell, 2012;León De La Luz et al, 2003) with small patches found along the bottoms of arroyos throughout the island (Oberbauer, 2005).…”

Section: W Filifera Is Distributed From Southeastern California and mentioning

confidence: 99%

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Molecular genetic analysis of two native desert palm genera,WashingtoniaandBrahea, from the Baja California Peninsula and Guadalupe Island

Klimova

Hoffman

Gutiérrez‐Rivera³

et al. 2017

Ecology and Evolution

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The complex geological and ecological processes that have generated high levels of biodiversity and endemism in the Baja California Peninsula have been the subject of intensive study. However, relatively little is known about phylogeography of the iconic endemic palm species of this region. We therefore analyzed a total of 2,294 bp of chloroplast and 738 bp of nuclear sequence data in 169 samples of five native palm species from Baja California, Sonora and Guadalupe Island. We found that Washingtonia and Brahea palms had low levels of genetic diversity and were highly structured, with the majority of species and major geographic regions being characterized by distinct haplotypes. We also found strong support for currently recognized species in Washingtonia, but our results were less clear cut for Brahea due to haplotype sharing. Furthermore, patterns of population structure were broadly consistent with historical vicariant events such as the inundation of the Isthmus of La Paz, the formation of the Sea of Cortez, and the more recent colonization and isolation of Guadalupe Island's palms. Our findings contribute toward a growing appreciation of the complexity of plant responses to past geological changes and also provide valuable baseline genetic data on relict American palm species.

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Section: W Filifera Is Distributed From Southeastern California and mentioning

confidence: 99%

“…Additionally, some stands were very small and were represented by only 5-10 individuals. The full distributional ranges of W. robusta, B. armata, B. edulis, and B. brandegeei Henderson et al, 1995) have argued that B. brandegeei may be synonymous to B. elegans from the Mexican mainland, we also included one herbarium specimen of this species.…”

Section: Samplingmentioning

confidence: 99%

Molecular genetic analysis of two native desert palm genera,WashingtoniaandBrahea, from the Baja California Peninsula and Guadalupe Island

Klimova

Hoffman

Gutiérrez‐Rivera³

et al. 2017

Ecology and Evolution

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“…has a wide distribution range, occurring in the Brazilian Atlantic Forest from sea level to around 1,000 m a.s.l., in the gallery forests of Cerrado in Brazil, and also extending into Argentina and Paraguay (Henderson et al, 1995). It is a shade-tolerant, monoecious tree with a solitary stem, and is a dominant tree in pristine forest areas (Henderson et al, 1995;Silva-Matos, Freckleton, & Watkinson, 1999). The flowers are produced annually and are pollinated by beetles, bees, and the wind (Mantovani & Morellato, 2000).…”

Section: Study Speciesmentioning

confidence: 99%

Demographic processes limit upward altitudinal range expansion in a threatened tropical palm

Souza

Portela

Mattos

2018

Ecology and Evolution

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Understanding the factors that determine species’ range limits is a key issue in ecology, and is fundamental for biodiversity conservation under widespread global environmental change. Elucidating how altitudinal variation affects demographic processes may provide important clues for understanding the factors limiting current and future species distributions, yet population dynamics at range limits are still poorly understood. Here, we tested the hypothesis that lower abundance at a species’ upper altitudinal range limit is related to lower vital rates. We compared the dynamics of two populations of the tropical palm Euterpe edulis, located near and at the edge of its altitudinal limit of distribution in the Brazilian Atlantic Forest. Data from four annual censuses, from 2012 to 2015, were used. We used matrix population models to estimate asymptotic population growth rates and the elasticity values for the vital rates of the two populations of E. edulis. Life table response experiments were used to compare population performance by measuring the contribution of each vital rate to population growth rates. Population growth rates were not significantly different from one in either population, indicating that both populations were stable during the study period. However, the abundance of all ontogenetic stages was lower at the altitudinal range limit, which was related to decreases in some vital rates, especially fecundity. Additionally, there were higher elasticity values for the survival of immatures and reproductive individuals, compared to all other vital rates, in both populations. Synthesis. Our results show that even a small‐scale environmental variation near range limits is sufficient to drive changes in the demography of this threatened palm. A minor increase in elevation approaching the limit of altitudinal distribution may reduce environmental suitability and affect population vital rates, thus contributing to setting upper altitudinal range limits for plants.

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“…While Gomes et al (2006) and Balslev et al (2011) monitored germination and morphology of clonal palm seedlings, neither focused on growth under multiple environmental conditions. Acoelorrhaphe wrightii, a palm classified as threatened in southern Florida (Ward, Austin & Colie, 2003), grows as a solitary stem, or more commonly, in rhizomatous clumps in seasonally flooded grasslands (Gann et al, 2016;Henderson et al, 1997). Acoelorrhaphe wrightii reproduces sexually: in southern Florida flowers are produced in May, and seeds ripen in November (Henderson et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

Germination and juvenile growth of the clonal palm,Acoelorrhaphe wrightii,under different water and light treatments: a mesocosm study

Edelman

Richards

2018

Feddes Repertorium

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Clonal growth can vary under different environmental conditions, and differences in clonal growth in the juvenile stage influence adult architecture. Acoelorrhaphe wrightii, a threatened palm in Florida, can occur as solitary or clonal. In order to predict its adult architecture, we determined the effects of water and light on (1) germination and (2) morphology of A. wrightii during juvenile life stages. Germination of wild‐collected seeds exposed to four conditions–subsurface, saturated, low, and high water levels–was monitored every month for a year. Seeds began to germinate after seven months; soils with saturated water levels had highest seed germination. Sixty‐four juveniles were grown in one of four environmental treatments (low water + sun, low water + shade, high water + sun, and high water + shade) and growth was measured every two months for a year. After a year, individuals were harvested to assess the impact of treatments on plant biomass. Low water + sun yielded juveniles with a greater number of leaves, more root mass and more branches. The results of this study suggest that A. wrightii requires a dry‐down in order to recruit successfully. Results were used to model the effect of water level on adult vegetative architecture.

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Field Guide to the Palms of the Americas

Cited by 190 publications

References 0 publications

Molecular genetic analysis of two native desert palm genera,WashingtoniaandBrahea, from the Baja California Peninsula and Guadalupe Island

Molecular genetic analysis of two native desert palm genera,WashingtoniaandBrahea, from the Baja California Peninsula and Guadalupe Island

Demographic processes limit upward altitudinal range expansion in a threatened tropical palm

Germination and juvenile growth of the clonal palm,Acoelorrhaphe wrightii,under different water and light treatments: a mesocosm study

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