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Plant Glossary

TermMeaning
AnnualA plant that completes its life cycle in one growing season.
BiennialA plant that usually grows leaves the first season and flowers the second.
PerennialA plant that lives for more than two years.
AngiospermA flowering plant with seeds enclosed in fruit or similar structures.
GymnospermA seed plant without enclosed seeds, including conifers and cycads.
EpiphyteA plant that grows on another plant or surface without parasitizing it.
RhizomeA horizontal underground or surface stem that can produce shoots and roots.
BulbA storage organ made of layered modified leaves around a growing point.
CormA solid swollen stem base used for storage.
TuberA swollen stem or root used for storage, such as potato.
CaudexA swollen stem or root base that stores water or nutrients.
VariegationLeaf color patterning caused by different pigments or tissue types.
DormancyA rest period when growth slows or stops.
HardinessA plant’s ability to survive cold or other climate extremes.
Full sunSix or more hours of direct outdoor sun.
Bright indirect lightStrong light without direct harsh sun, common near indoor windows.
Well-drained soilSoil or substrate that holds moisture but does not stay waterlogged.
CrownThe growing point where roots and shoots meet.
NodeA stem point where leaves, buds, roots, or branches can emerge.
CultivarA cultivated variety selected for specific traits.