Genotype, phenotype and lineage
Genotype is genetic makeup. Phenotype covers observable traits such as growth habit and leaf size. Age and environment influence how traits appear. Ask whether lineage refers to a seed population or to material traced to a particular mother plant.
How to interpret a cultivar name
Names make it easier to discuss plants. Identification requires evidence behind the label. A mother plant ID, batch record and notes on observation conditions make comparisons easier to interpret.
Example: different leaf sizes
Two young plants from the same documented lineage have visibly different leaves. Before attributing the difference to genetics, compare leaves at similar stages and plants under similar conditions. Persistent differences merit a more targeted assessment.