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Term Definition

Making new plants from old by cutting the rhizome of a sympodial orchid into pieces containing pseudobulbs and rhizome or by cutting off the top half of a stem of a vinelike orchid.



The term used to describe the loss of leaves or other growths upon maturity or at the end of a growing season, with regrowth after a dormant rest.



Having a normal number of two sets of chromosomes; also known as 2N.



A rest period during which no vegetative growth occurs, often following a growth period and/or the loss of leaves or other growths; may require cooler temperatures and less water.


Dorsal sepal

In orchids, the uppermost "petal" of a flower.