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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
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2657049
Page Count: 4
You can always find the topics here!Topics: Protocorms, Seedlings, Hyphae, Plant roots, Botany, Plant cells, Leaves, Plants, Infections, Mycorrhizas
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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.
American Journal of Botany © 2001 Botanical Society of America, Inc.