👉 The term "nectarial" in the context of biology refers to a type of plant hormone that plays a crucial role in regulating plant growth, development, and response to environmental stimuli. Nectarial hormones are produced by specialized cells called endosymbiotic bacteria known as rhizobacteria, which live on the roots and stems of plants. Nectarial hormones include several key players such as auxin (a type of hormone that promotes cell elongation), gibberellins (a group