Definition

Proper noun * A taxonomic family of flowering plants: Family Rosaceae is a large and economically important family of dicotyledonous plants within the order Rosales. Members of this family are characterized by typically alternate leaves, flowers that usually have five petals and numerous stamens, and often fleshy fruits.

Usage

• The term "family Rosaceae" is used in scientific, botanical, and horticultural contexts to classify and discuss a specific group of related plants.
• It is often used with verbs like "belongs to," "includes," or "is classified under."
• In formal writing, the family name is often italicized: .

Examples

• The apple tree, genus , is a member of family Rosaceae.
• Family Rosaceae includes many popular fruit-bearing plants such as peaches, strawberries, and almonds.
• Botanists study the evolutionary relationships within family Rosaceae.

Advanced Usage

• The family is commonly referred to as the rose family.
• In taxonomic hierarchy, it is written as Rosaceae. The "family" is often implied when using the capitalized, italicized name alone.
  • Prunus (plums, cherries) is a genus in Rosaceae.

Variants and Related Words

• Rosaceous (adjective): Of or relating to the rose family (Rosaceae).
  • The rosaceous shrubs bloomed in the spring.

Synonyms

• Rose family: The common name for family Rosaceae.

Key Characteristics (Contextual Information)

• Alternate leaves: The leaves are usually arranged singly at different heights along the stem.
• Five-petaled flowers: The flowers most commonly have five separate petals.
• Numerous stamens: The flowers typically have many stamens (the pollen-producing part).
• Fruit types: The family produces a variety of fruit types, including pomes (apples, pears), drupes (peaches, plums), aggregates (raspberries), and accessory fruits (strawberries).

Noun

1. a large family of dicotyledonous plants of order Rosales; have alternate leaves and five-petaled flowers with numerous stamens