oblong leaf

Thân thiện

The oblong leaf rests on the open page of a nature guide.

Definition

Noun: A leaf that is longer than it is wide, with nearly parallel sides and rounded ends. This term specifically describes a simple leaf shape in botany.

Usage

The term "oblong leaf" is used in botanical descriptions to classify and identify plants based on the specific shape of their leaves. It is a technical descriptor.

Examples

• The plant was easily identified by its distinctive oblong leaves.
• In his notebook, the botanist sketched the oblong leaf of the newly discovered shrub.
• Many common houseplants, such as the rubber plant, have oblong leaves.

Advanced Usage

• Botanical Key: The term is often used in dichotomous keys for plant identification, where leaf shape is a critical distinguishing feature.
• Comparative Description: It is frequently used alongside other leaf shape terms (e.g., lanceolate, ovate) to provide precise morphological detail.

Variants and Related Words

• Oblong (adjective): Having an elongated shape with parallel or nearly parallel sides and rounded ends. This is the root adjective describing the form.

Synonyms

• Rectangular leaf (less precise, as it may imply sharper corners)
• Elongated leaf (a more general term that does not specify parallel sides or rounded ends)

Notes

• "Oblong leaf" is a compound noun. The primary definition applies to the complete term. The adjective "oblong" alone can describe many other objects (e.g., tables, pools).
• This is a specific term from plant morphology. In common, non-technical language, one might simply describe such a leaf as "long and rounded."

Học thuật

Noun

1. a simple leaf that is rounded at each end with parallel sides