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An herbaceous perennial plant able to withstand exposure to sub-zero temperatures.
Plant species having both male and female organs in the same flower. Also see Monoecious.
Related to, or resembling, a legume. Plant producing pods.
Metallic trace element that's an essential micro-nutrient for healthy plants.
The accidental variation of a plant as a result of genetic mutation. Not to be confused with specifically bred variations.
The death of plant tissue. It often takes the form of necrotic spots on leaves.
A shoot or plantlet produced at the base of a mature plant, which may be used for propagation.
The cultivation of plants without the use of chemicals of inorganic origin.
An aquatic plant, which, when submerged, releases oxygen into the water.
The process by which plants convert energy from sunlight into food. See Chlorophyll.