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pneumatophore

A Dictionary of Plant Sciences | 1998 | | Copyright

pneumatophore Specialized ‘breathing’ root developed in some plant species that grow in waterlogged or strongly compacted soils, e.g. mangroves. The aerial part of the root contains many pores, enabling gas exchange with the atmosphere. Internally, a well developed system of intercellular spaces allows gases to diffuse throughout the submerged portion of the roots.

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MICHAEL ALLABY. "pneumatophore." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "pneumatophore." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 29, 2012). http://www.encyclopedia.com/doc/1O7-pneumatophore.html

MICHAEL ALLABY. "pneumatophore." A Dictionary of Plant Sciences. 1998. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-pneumatophore.html

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pneumatophore

A Dictionary of Ecology | 2004 | | Copyright

pneumatophore A specialized ‘breathing’ root developed in some plant species that grow in waterlogged or strongly compacted soils (e.g. mangroves). The aerial part of the root contains many pores through which gases are exchanged with the atmosphere and from which they diffuse by means of intercellular spaces throughout the submerged portion of the root.

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MICHAEL ALLABY. "pneumatophore." A Dictionary of Ecology. 2004. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "pneumatophore." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 29, 2012). http://www.encyclopedia.com/doc/1O14-pneumatophore.html

MICHAEL ALLABY. "pneumatophore." A Dictionary of Ecology. 2004. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-pneumatophore.html

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pneumatophore

A Dictionary of Biology | 2004 | Copyright

pneumatophore
1. An aerial negatively geotropic root that acts as an organ of gaseous exchange. Pneumatophores are produced by mangroves and other plants that grow in waterlogged oxygen-deficient soils. See mangrove swamp.

2. The gas-filled float of certain colonial cnidarians of the class Hydrozoa, such as Physalis (Portuguese man-of-war).

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"pneumatophore." A Dictionary of Biology. 2004. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-pneumatophore.html

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