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Seedlings of Neuwiedia (Orchidaceae Subfamily Apostasioideae) Have Typical Orchidaceous Mycotrophic Protocorms

Kim A. Kristiansen, Finn N. Rasmussen and Hanne N. Rasmussen
American Journal of Botany
Vol. 88, No. 5 (May, 2001), pp. 956-959
Stable URL: http://www.jstor.org/stable/2657049
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Seedlings of Neuwiedia (Orchidaceae Subfamily Apostasioideae) Have Typical Orchidaceous Mycotrophic Protocorms
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Abstract

Naturally occurring seedlings of Neuwiedia veratrifolia were found in three localities in Sabah, Borneo, Malaysia. Seedlings consisted of an irregular oblong protocorm and a terminal leafy rooted shoot. Protocorms contained mycotrophic tissue of the kind typical of orchid mycorrhiza (tolypophagy). This finding demonstrates an important synapomorphy between Neuwiedia and other orchids and strongly supports the monophyly of Orchidaceae in the broad sense, including apostasiod orchids.

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