panduriform

Thân thiện

The leaf of the water lily is distinctly panduriform.

Definition

Adjective: * Having a shape that is rounded at both ends and noticeably narrower or constricted in the middle. This term is primarily used in botany to describe the shape of certain leaves.

Usage

This is a highly specific, technical term used almost exclusively in scientific descriptions, particularly in botany and biology, to classify and describe the form of leaves, petals, or occasionally other elongated objects.

Examples

• The botanist identified the plant by its distinctive panduriform leaves.
• Under the entry for the species, the field guide noted "leaves panduriform, up to 10 cm long."
• The herbarium specimen clearly showed the panduriform leaf shape characteristic of the genus.

Advanced Usage

• The term can be used metaphorically in other fields (e.g., art, design) to describe any object with a similar "fiddle-shaped" form, though this is rare.
  • The artist carved a panduriform ornament from the piece of wood.

Variants and Related Words

• Pandurate: (Adjective) A direct synonym for panduriform, meaning fiddle-shaped.
• Fiddle-shaped: (Adjective) The more common, non-technical equivalent describing the same form, resembling the outline of a violin.

Synonyms

• Fiddle-shaped
• Pandurate
• Obcordate (when the constriction is very deep, but generally implies a notched apex)

Antonyms

• Linear (long and narrow with parallel sides)
• Elliptical (oval-shaped, widest in the middle)
• Lanceolate (lance-shaped, widest below the middle and tapering to a point)

Học thuật

Adjective

1. (of a leaf shape) having rounded ends and a contracted center

Từ đồng nghĩa

• pandurate
• fiddle-shaped