Plant Glossary of
Terms
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Plant Glossary O
Offset: A new plant that grows from the crown or stolon of a parent plant
Open Pollinated: The term used to describe a plant that will remain true as long as it is fertilized with pollen from the same species
Organic Chemical: Any of the compounds made up of molecules containing at least one carbon atom
Organogenesis: The formation of organs, such as leaves, shoots, or roots, from cells or tissues
Osmotic Pressure: The pressure potential exsisting in the diffussion of a solvent through a semipermeable membrane into a more concentrated solution in order to equalize the concentrations on both sides of the membrane
Ovary: The part of a flower that contains the eggs that willdevelop into seeds if they are fertilized by pollen from a compatible plant
Ovule: The structure within a flower that develops into a seed after fertilization, consisting of the egg cell, embryo sac, nucellus, and integuments (future seed coat) Ovules are sometimes used as explants in vitro cultivation
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Tags: gardening, plant, and botany definitions, Plant and Gardening Definitions O