sagittiform

Thân thiện

The leaf has a distinct sagittiform shape.

Definition

Adjective: - Having a shape resembling an arrowhead, specifically one that is narrow and pointed without flaring or spreading base lobes. This term is primarily used in botanical contexts to describe the form of leaves.

Usage

The adjective "sagittiform" is a technical term. It is used to precisely describe the shape of an object, most commonly a leaf, by comparing it to the classic, elongated, and pointed form of an arrowhead.

Examples

• Descriptive Use:
  • The plant was identified by its distinctive, sagittiform leaves.
  • Botanists noted the sagittiform shape of the leaf blade in their description of the new species.

Advanced Usage

• Comparative Description:
  • The term can be used in broader descriptive contexts beyond strict botany to describe any object with a similar elongated, triangular, and pointed shape, though this is less common.
  • The sagittiform design of the monument's spire made it a local landmark.

Variants and Related Words

• Sagittate (adj): This is a more common synonym in botany, also meaning arrowhead-shaped. It can sometimes imply the presence of backward-pointing lobes at the base, whereas "sagittiform" explicitly describes the shape flaring base lobes.
• Hastate (adj): Another botanical term for an arrowhead-shaped leaf, but one where the basal lobes flare outward, more like a spearhead.

Synonyms

• Arrowhead-shaped
• Sagittate (with nuanced difference in base shape)

Antonyms

• Rounded
• Oblong
• Cordate (heart-shaped)

Học thuật

Adjective

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

Từ đồng nghĩa

• sagittate
• arrow-shaped