semi-double

semi-double

A semi-double rose blooms in the garden.

Definition

Adjective - Botany: Describing a flower in which only the outer stamens are transformed into petals, resulting in a form intermediate between single and double flowers. - Example: The rose variety is classified as semi-double, with two or three rows of petals.

Usage Examples
  • (A type of bloom with partial petal doubling.)
  • (A flower with a moderate number of petals.)
Advanced Usage
  • In horticultural classification: "Semi-double" is a technical term used by botanists and breeders to describe a specific flower form.
    • The catalog lists this chrysanthemum as semi-double, meaning it has 2–5 rows of ray florets. (A precise botanical description.)
Variants and Related Words
  • Double (adj): having many petals, often with stamens fully transformed into petals.
    • Double flowers are often sterile due to lack of reproductive parts. (Fully petaled blooms.)
  • Single (adj): having one row of petals, with visible stamens.
    • A single flower typically has five petals and prominent stamens. (Simple bloom structure.)
  • Semi-double (n): a flower of this type.
    • The semi-double is a popular choice for borders. (A noun referring to the plant or bloom.)
Synonyms
  • Semi-plena (Latin term): used in botanical nomenclature for semi-double forms.
    • Rosa 'Semi-plena' is a classic semi-double rose. (A formal synonym in scientific naming.)
  • Partially double: a descriptive phrase.
    • This partially double tulip shows a mix of petal and stamen structures. (Equivalent meaning.)
Related Idioms
  • None directly applicable, as "semi-double" is a technical term without idiomatic use.