family Portulacaceae

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Definition

Noun: 1. A taxonomic family of flowering plants: Family Portulacaceae is a botanical family comprising usually succulent herbs. These plants are characterized by fleshy leaves and stems adapted to store water. The family has a cosmopolitan distribution, meaning it is found worldwide, but is especially common in the Americas.

Usage Notes
  • This is a highly specialized, scientific term used primarily in botany, taxonomy, and horticulture.
  • It functions as a proper noun, referring to a specific, defined group in biological classification.
  • In modern taxonomic systems, many genera formerly placed in Portulacaceae have been reclassified into other families (e.g., Montiaceae, Talinaceae). Therefore, its usage may refer to the traditional, broader family grouping.
Examples
  • Scientific Context:
    • The genus Portulaca is the type genus for the family Portulacaceae.
    • Botanists studied the evolutionary relationships within the family Portulacaceae.
  • Descriptive Context:
    • Plants in the family Portulacaceae often thrive in dry, sunny conditions.
    • Its succulent leaves are typical of the family Portulacaceae.
Advanced Usage
  • In Taxonomic Discussion: The term is used when discussing plant classification, morphology, or phylogeny.
    • The circumscription of the family Portulacaceae has been significantly narrowed in recent phylogenetic studies.
Variants and Related Words
  • Portulacaceae: The standard form, often used without the word "family" in technical writing.
  • Purslane family: A common English name for this plant family, derived from one of its well-known members, common purslane ().
  • Succulent: (Adjective/Noun) Describes plants with thick, fleshy parts for water storage; a key characteristic of many members of this family.
Synonyms
  • Purslane family (common name)
Related Terms (Contextual)
  • Caryophyllales: The botanical order to which the Portulacaceae family belongs.
  • Succulent herb: A descriptive phrase for the growth form typical of this family.
  • Cosmopolitan distribution: A phrase describing its widespread geographical occurrence.
Noun
  1. family of usually succulent herbs; cosmopolitan in distribution especially in Americas