What does cotyledons mean?
Cotyledons are a crucial part of a plant's early development, playing a vital role in the seedling's growth and development. They are formed from the cotyledonary node and are typically found in the seeds of flowering plants. As the seedling grows, the cotyledons are soon replaced by true leaves, which are responsible for photosynthesis and other essential functions. Understanding cotyledons is essential for botanists and horticulturists, as it provides valuable insights into the plant's life cycle and development. The study of cotyledons has also led to the development of new techniques for plant breeding and cultivation.
noun
In botany, a cotyledon is a seed leaf that is present in the embryo of a plant. It is a leaf that is formed from the cotyledonary node, which is the point where the cotyledon meets the stem. Cotyledons are typically found in the seeds of flowering plants and are an important part of the plant's early development.
- 1. In botany, a seed leaf that is present in the embryo of a plant.
"The seedling had two large cotyledons that were soon to be replaced by true leaves."
"The seedling had two large cotyledons that were soon to be replaced by true leaves."
"In the early stages of plant development, the cotyledons are responsible for photosynthesis."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cotyledons
The word 'cotyledon' comes from the Greek words 'kotyle', meaning 'cup', and 'odon', meaning 'tooth'. This refers to the shape of the cotyledon, which is often cup-shaped. The term 'cotyledon' was first used in the 17th century to describe the seed leaves of plants.
Usage notes
Cotyledons are typically found in the seeds of flowering plants and are an important part of the plant's early development. They are soon replaced by true leaves, which are responsible for photosynthesis and other essential functions.