Definition

Adjective: 1. Having two lips or lip-like parts: Specifically describes a structure, especially in botany, that is divided into two distinct parts resembling lips. This term is often used to describe the shape of certain flower corollas.

Usage

The term "two-lipped" is a descriptive adjective used primarily in technical or scientific contexts, such as botany and biology, to denote a specific structural form. It is not commonly used in everyday conversation.

Examples

• Adjective:
  • The mint family is known for its two-lipped flowers.
  • A two-lipped calyx is a distinguishing feature of some plant species.

Advanced Usage

• Technical Description: In botany, "two-lipped" (synonymous with ) precisely describes a corolla or calyx where the petals or sepals are fused into an upper and a lower section, creating an open mouth-like shape.
  • The botanist noted the two-lipped corolla, which is perfect for pollination by bees.

Variants and Related Words

• Bilabiate (adj): A more formal, scientific synonym for "two-lipped," especially in botanical Latin.
  • The bilabiate flowers of the snapdragon are a classic example.

Synonyms

• Bilabiate: Having two lips; the direct synonym in scientific terminology.
• Labiate: Lipped; sometimes used more broadly for plants in the mint family (Lamiaceae), which typically have bilabiate flowers.

Antonyms

• Regular (in botanical context): Referring to a flower with radial symmetry, where petals are not fused into distinct lips (e.g., a rose).
• Actinomorphic: A technical term for radially symmetrical flowers.

Notes

• The term is highly specific. In non-scientific contexts, describing something as "two-lipped" would be unusual and potentially confusing. The common word "lipped" is typically used without a number (e.g., "thin-lipped").
• It is a compound adjective formed from "two" and "lipped." The hyphen is essential when it precedes a noun (e.g., "a two-lipped flower") but may be omitted in predicate position (e.g., "The flower is two lipped"), though the hyphenated form is generally preferred for clarity.

Adjective

1. having two lips
   • the corolla of a snapdragon is bilabiate