homosporous

Thân thiện

A fern releases homosporous spores from the underside of its fronds.

Definition

1. Adjective:
   • Producing spores of one kind only: In botany, "homosporous" describes plants, particularly ferns and some other cryptogams, that produce only one type of spore. These spores are typically uniform in size and develop into bisexual gametophytes.
   • Characterized by homospory: The condition of being homosporous.

Usage Examples

• Adjective:
  • Most ferns are homosporous, producing a single type of spore that can develop into a hermaphroditic gametophyte.
  • The homosporous life cycle is considered evolutionarily primitive compared to heterospory.

Advanced Usage

• In botanical taxonomy: The term is used to classify and describe major plant groups based on their reproductive strategies.
  • The division Lycopodiophyta includes both homosporous and heterosporous species.

Variants and Related Words

• Homospory (noun): The condition or characteristic of being homosporous.
  • Homospory is the ancestral state in vascular plants.
• Heterosporous (adjective): The antonym, meaning producing two distinct types of spores (microspores and megaspores).

Synonyms

• Isosporous: Having or producing spores that are alike. (Note: This is a close synonym, though "homosporous" is more common in botanical contexts.)

Antonyms

• Heterosporous: Producing two different kinds of spores.

Học thuật

Adjective

1. characterized by homospory