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PSA
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pseudobulb
pseud·o·bulb [ sdō bùlb ] (plural pseud·o·bulbs)


noun 
Definition:
 
thickened part of stem: a thickened part of a stem that lies above the ground, e.g. in many orchids
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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