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Term Definition

Type of orchid growth wherin the stem and/or leaves are circular in cross section.



Growing on the ground and supported by soil.



A plant with four sets of chromosomes. A normal plant is diploid with two sets of chromosomes. Most modern complex orchids hybrids are tetraploid. Compared to diploids, tetraploids general have larger, fuller and heavier substanced flowers.



The inner portion of a tubular orchid lip.


tissue culture

The technique of culturing cells on a sterile synthetic media. There are two general methods use to propagate plants -- micropropagation and adventitious propagation.