sagittate

/'sædʤiteit/ Cách viết khác : (sagittated) /'sædʤiteitid/

Thân thiện

The leaf of the arrowhead plant is distinctly sagittate.

Definition

1. Adjective:
   • (Botany) Having the shape of an arrowhead, specifically a leaf that is triangular with two pointed lobes projecting downward at the base, resembling an arrowhead without flaring base lobes.

Usage Examples

• Adjective:
  • The plant was identified by its distinctive sagittate leaves.
  • The arrowhead plant (Sagittaria) is named for its sagittate foliage.

Advanced Usage

• Scientific Description: The term is primarily used in technical botanical descriptions to classify leaf morphology. It precisely describes a shape where the leaf blade is triangular and the two basal lobes point downward, parallel or nearly parallel to the petiole (leaf stalk), unlike a "hastate" leaf where the basal lobes flare outward.
  • The sagittate form of the leaf is a key diagnostic feature for this species.

Variants and Related Words

• Sagittated (adj.): A less common variant with the same meaning.
  • The sagittated leaves were carefully sketched in the botanical journal.

Synonyms

• Arrowhead-shaped: Having the general form of an arrowhead.
• Sagittal: In anatomy, this refers to a plane or section, but in a broader descriptive sense, it can relate to an arrow-like shape. However, "sagittate" is the precise botanical term.

Different Meanings

• This word is highly specialized. In general English, it is almost exclusively used in botanical contexts to describe leaf shape. It does not have common idiomatic or figurative meanings.

Notes

• The word derives from Latin , meaning "arrow."
• It is a specific descriptor in plant identification keys and botanical literature.

Học thuật

Adjective

1. (of a leaf shape) like an arrow head without flaring base lobes

Từ đồng nghĩa

• sagittiform
• arrow-shaped