Portulacaceae

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Definition

Noun (Proper noun, capitalized) 1. A family of flowering plants: Portulacaceae is the botanical name for a family of dicotyledonous plants, commonly known as the purslane family. The family is characterized by herbaceous plants, most of which are succulent (having thick, fleshy tissues that store water). These plants are found worldwide but are especially common in the Americas.

Usage Notes
  • Scientific Context: This word is used almost exclusively in scientific, botanical, or horticultural contexts. It is a taxonomic term for classifying a specific group of plants.
  • Capitalization: As a proper noun referring to a specific plant family, it is always capitalized: .
  • Grammar: It functions as a singular noun when referring to the family as a single taxonomic group (e.g., "Portulacaceae is a widespread family").
Examples of Usage
  • Scientific Description:
    • The common garden purslane (Portulaca oleracea) belongs to the family Portulacaceae.
    • Botanists have debated the classification of several genera within Portulacaceae.
  • General Statement:
    • Portulacaceae includes many species adapted to dry, arid environments due to their succulent leaves.
Advanced Usage
  • Taxonomic Revision: In modern phylogenetic studies, the traditional family has been redefined. Many genera formerly placed in it are now classified within the family Montiaceae.
    • Example: "According to recent molecular data, the circumscription of Portulacaceae has been significantly narrowed."
Variants and Related Words
  • portulacaceous (adjective): Of or relating to the plant family Portulacaceae.
    • Example: "The portulacaceous herbs displayed typical succulent morphology."
  • Purslane (common noun): The common name for plants in the genus , which is part of the family.
Synonyms
  • Purslane family: The common English name for the Portulacaceae family.
Different Meanings / Contexts

This word has only one specific meaning: it is the scientific/Latin name for a taxonomic family of plants. There are no idiomatic or colloquial uses.

Noun
  1. family of usually succulent herbs; cosmopolitan in distribution especially in Americas

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