Branching in Syagrus cocoides (Arecaceae) in Maranhao, Northeastern Brazil

Pinheiro, Cláudio Urbano Bittencourt; Balick, Michael J.; Frazao, J. M. F.

doi:10.2307/2807876

Cited by 3 publications

(1 citation statement)

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“…Palms with bifurcated stems, by its turn, are very unusual, occurring only in a few genus like Hyphaene and Nypa and in palms with vine-like habit (Uhl & Dransfield 1987, Tomlinson 1990). The abnormal growth of buds along the stem, forming branches, is a rare event in other palm genus and was reported only to Syagrus cocoides (Pinheiro et al 1996) and Socratea salazarii (Pintaud & Millan 2004).…”

Section: Introductionmentioning

confidence: 99%

Unusual branching in the palm Euterpe edulis Mart

Portela

Pires

Santos

2009

Hoehnea

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-(Unusual branching in the palm Euterpe edulis Mart.). The unusual development of branches along the stem of Euterpe edulis is described for the first time. Branches originated at 2 to 190 cm from the ground. Ramified individuals and branches were able to produce reproductive structures and some branches produced roots. A plausible cause for the observed anomaly could be genetic problems due to small population sizes. The better agreement of this process can have a positive effect in the harvest of the heart of palm through the artificial induction of sprouts, what would prevent the death of the individual. Key words: Arecaceae, Atlantic Forest, palm heart RESUMO -(Ramificação incomum na palmeira Euterpe edulis Mart.). O desenvolvimento anormal de ramos ao longo do estipe de Euterpe edulis é descrito pela primeira vez. Os ramos se originaram a uma altura que variou de 2 a 190 cm do solo. Indivíduos ramificados e ramos foram capazes de produzir estruturas reprodutivas e alguns ramos produziram raízes. Uma possível causa para a anomalia observada seriam problemas genéticos decorrentes dos pequenos tamanhos populacionais. Um melhor entendimento desse processo pode ter um efeito positivo na extração do palmito dessa espécie através da indução artificial de brotos, evitando assim a morte do indivíduo.

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Section: Introductionmentioning

confidence: 99%

Unusual branching in the palm Euterpe edulis Mart

Portela

Pires

Santos

2009

Hoehnea

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Review of Vegetative Branching in the Palms (Arecaceae)

Edelman

Richards

2018

Bot. Rev.

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Evolution and ecology of plant architecture: integrating insights from the fossil record, extant morphology, developmental genetics and phylogenies

2017

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Dichotomously branching Paleozoic plants already encompassed a considerable diversity of growth forms, here captured in 12 new architectural models. Plotting the frequency of branching types through time based on an analysis of 58 927 land plant fossils revealed a decrease in dichotomous branching throughout the Devonian and Carboniferous, mirrored by an increase in other branching types including axillary branching. We suggest that the evolution of seed plant megaphyllous leaves enabling axillary branching contributed to the demise of dichotomous architectures. The developmental-genetic bases for key architectural traits underlying sympodial vs. monopodial branching, rhythmic vs. continuous growth, and axillary branching and its localization are becoming well understood, while the molecular basis of dichotomous branching and plagiotropy remains elusive. Three phylogenetic case studies of architecture evolution in conifers, Aloe and monocaulous arborescent vascular plants reveal relationships between architectural models and show that some are labile in given groups, whereas others are widely conserved, apparently shaped by ecological factors, such as intercepted sunlight, temperature, humidity and seasonality.

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Branching in Syagrus cocoides (Arecaceae) in Maranhao, Northeastern Brazil

Cited by 3 publications

References 10 publications

Unusual branching in the palm Euterpe edulis Mart

Unusual branching in the palm Euterpe edulis Mart

Review of Vegetative Branching in the Palms (Arecaceae)

Evolution and ecology of plant architecture: integrating insights from the fossil record, extant morphology, developmental genetics and phylogenies

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