The Pneumathodes on the Roots of the Oil Palm (Elaeis guineensis Jacq.). Yampolsky, C. American Journal of Botany, 11(8):502-512, 7, 1924.
The Pneumathodes on the Roots of the Oil Palm (Elaeis guineensis Jacq.) [link]Website  abstract   bibtex   
Pneumathodes are produced on the adventitious roots of the oil palm. Pneumathodes are organs of gas-exchange. Pneumathodes originate like secondary roots but become modified secondarily. There is a direct communication between the pneumathodes and the large air chambers in the root, allowing thus for a communication between the atmosphere and the interior of the root. Pneumathodes show a tissue that is characteristic for these organs (modified aerenchyma). Pneumathodes may be induced to develop on the underground roots through excessive moisture. They are then formed in large numbers. Pneumathodes can not be considered in the same category with intumescences (Wieler and Kuster) although the cells of the aerenchyma resemble the cells found in intumescences.
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 title = {The Pneumathodes on the Roots of the Oil Palm (Elaeis guineensis Jacq.)},
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 year = {1924},
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 pages = {502-512},
 volume = {11},
 websites = {http://www.jstor.org.ezp-prod1.hul.harvard.edu/stable/2435626,http://www.jstor.org.ezp-prod1.hul.harvard.edu/stable/pdfplus/2435626.pdf?acceptTC=true},
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 abstract = {Pneumathodes are produced on the adventitious roots of the oil palm. Pneumathodes are organs of gas-exchange. Pneumathodes originate like secondary roots but become modified secondarily. There is a direct communication between the pneumathodes and the large air chambers in the root, allowing thus for a communication between the atmosphere and the interior of the root. Pneumathodes show a tissue that is characteristic for these organs (modified aerenchyma). Pneumathodes may be induced to develop on the underground roots through excessive moisture. They are then formed in large numbers. Pneumathodes can not be considered in the same category with intumescences (Wieler and Kuster) although the cells of the aerenchyma resemble the cells found in intumescences.},
 bibtype = {article},
 author = {Yampolsky, Cecil},
 journal = {American Journal of Botany},
 number = {8}
}

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