Definition

1. Noun:
   • Sepal: In botany, a "lá đài" is one of the separate, usually green, leaf-like parts that form the calyx of a flower, located at the base and enclosing the developing bud.

Usage Examples

• Noun:
  • Hoa hồng thường có năm lá đài. (Roses usually have five sepals.)
  • Lá đài bảo vệ nụ hoa trước khi nở. (The sepal protects the flower bud before it blooms.)
  • Màu sắc của lá đài có thể thay đổi tùy loài. (The color of the sepal can vary depending on the species.)

Advanced Usage

• In botanical description, the collective term for all the sepals of a flower is the calyx (đài hoa).
  • Đài hoa là tập hợp của tất cả các lá đài. (The calyx is the collection of all the sepals.)

Variants and Related Words

• Đài hoa (n): Calyx. The whorl of sepals forming the outer protective layer of a flower.
• Cánh hoa (n): Petal. The often colorful parts of a flower inside the sepals.
• Lá bắc (n): Bract. A modified leaf associated with a flower or inflorescence, different from a sepal.

Synonyms

• Sepal: The direct and precise botanical term.
• Floral leaf: A less common, more descriptive general term.

Related Botanical Terms

• Perianth: The non-reproductive parts of a flower, consisting of the calyx (sepals) and corolla (petals).
• Tepal: A term used when sepals and petals are indistinguishable in appearance, common in flowers like lilies.