sporophyl

/'spɔ:rəfil/ Cách viết khác : (sporophyll) /'spɔ:rəfil/

Thân thiện

The fern's sporophyll unfurls to reveal clusters of sporangia on its underside.

Definition

1. Noun:
   • A specialized leaf that bears sporangia: In botany, a "sporophyl" is a leaf, typically in ferns and other non-flowering plants, that is modified to carry the structures (sporangia) that produce and contain spores.

Usage Examples

• Noun:
  • The fern's fertile fronds are composed of sporophyls, each bearing clusters of sporangia.
  • In clubmosses, the sporophyls are often grouped into a distinct cone-like structure called a strobilus.

Advanced Usage

• "Fertile sporophyl": A sporophyl that is actively bearing sporangia, as opposed to a sterile leaf that does not.
  • The botanist distinguished the fertile sporophyl from the vegetative leaves.

Variants and Related Words

• Sporophyll (n): An alternative and more common spelling for "sporophyl."
• Sporangium (n): The spore-producing structure borne on a sporophyl.
• Microsporophyll (n): A sporophyl that bears microsporangia, which produce microspores (e.g., in male cones of conifers).
• Megasporophyll (n): A sporophyl that bears megasporangia, which produce megaspores (e.g., in female cones of conifers or in cycads).

Synonyms

• Sporophyll: The standard synonym, being the more frequent spelling.
• Fertile leaf: A descriptive, non-technical synonym indicating its reproductive function.

Related Terms

• Strobilus (n): A cone-like structure composed of multiple sporophylls, common in lycophytes and some gymnosperms.
• Sorus (n): A cluster of sporangia on the underside of a fern sporophyll.

Học thuật

Noun

1. leaf in ferns and mosses that bears the sporangia

Từ đồng nghĩa

• sporophyll