dehiscent

/di'hisnt/

Thân thiện

A ripe peapod is dehiscent, splitting open to scatter its seeds.

Definition

1. Adjective:
   • Opening spontaneously at maturity: Describes a structure, particularly a plant's fruit or anther, that splits open naturally along defined lines or seams when ripe or mature to release its contents, such as seeds or pollen.

Usage

• This term is primarily used in botanical contexts to describe the natural opening mechanism of certain plant reproductive structures.
• It is the opposite of "indehiscent," which describes structures that do not open spontaneously to release seeds.

Examples

• Adjective:
  • A pea pod is a classic example of a dehiscent fruit. (It splits open along two seams when dry and mature.)
  • The anthers of many flowers are dehiscent, releasing pollen into the air.
  • Botanists classify fruits based on whether they are dehiscent or indehiscent.

Advanced Usage

• "Dehiscent capsule": A specific type of dry, dehiscent fruit that opens in various ways (e.g., pores, lids, or multiple splits).
  • The poppy plant produces a dehiscent capsule that shakes out its tiny seeds.

Variants and Related Words

• Dehiscence (n): The act or process of splitting open.
  • Seed dispersal often depends on the dehiscence of the fruit.
• Indehiscent (adj): Not splitting open at maturity. (Antonym)
  • A nut is an indehiscent fruit.

Synonyms

• Splitting
• Bursting open (in a botanical context)
• Opening spontaneously

Antonyms

• Indehiscent
• Closed
• Non-opening

Học thuật

Adjective

1. (of e.g. fruits and anthers) opening spontaneously at maturity to release seeds