monocotyledonous
/'mɔnou,kɔti'li:dənəs/
Definition
- Adjective:
- (Botany) Having a single cotyledon in the seed: Describes a flowering plant whose embryo (the young plant within the seed) possesses only one seed leaf, or cotyledon. This is a primary characteristic distinguishing one of the two major groups of angiosperms (flowering plants).
Usage Examples
- Adjective:
- Grasses, lilies, and orchids are all monocotyledonous plants.
- The botanist identified the specimen as monocotyledonous based on its single seed leaf.
- A key feature of monocotyledonous seeds is the presence of only one cotyledon.
Advanced Usage
- Scientific Classification: The term is used in formal botanical taxonomy and description. It is often contrasted with "dicotyledonous" (having two cotyledons).
- The class Liliopsida comprises monocotyledonous flowering plants.
Variants and Related Words
- Monocotyledon (noun): A plant that has a single cotyledon; a member of the group Monocotyledonae or Liliopsida.
- Palms are typical monocotyledons.
- Monocot (noun, informal): A common abbreviation for monocotyledon.
- Botany students must learn to distinguish between monocots and dicots.
Synonyms
- Monocot (when used as an adjective in informal botanical contexts).
- One-seed-leafed (descriptive, non-technical).
Antonyms
- Dicotyledonous (adj.): Having two cotyledons in the seed.
- Rose and bean plants are dicotyledonous.
Adjective
-
(of a flowering plant) having a single cotyledon in the seed as in grasses and lilies
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