Definition

Proper noun * A family of gymnosperm plants: Family Ephedraceae is the botanical name for a specific family of non-flowering, seed-producing plants. This family is characterized by its jointed, often leafless green stems and includes the genus Ephedra.

Usage and Examples

• Scientific Classification:
  • Family Ephedraceae is distinct from other gymnosperm families like Pinaceae (pines) or Cupressaceae (cypresses).
  • Botanists study the unique reproductive structures of Family Ephedraceae.
• General Reference:
  • The plants belonging to Family Ephedraceae are commonly found in arid and semi-arid regions.
  • Family Ephedraceae is of interest due to its evolutionary position among seed plants.

Advanced Usage

• In Taxonomic Context: The placement of within the order Gnetales is a subject of botanical research, as it shares some characteristics with flowering plants.
• In Pharmacological Context: While the family name itself is not used medicinally, its primary genus () is well-known. References to may appear in texts discussing the natural source of the alkaloid ephedrine.

Variants and Related Words

• Ephedraceae: The standard abbreviated form of the full family name, used identically to .
• Ephedra (noun): The principal and most well-known genus within the Ephedraceae family, comprising the various species of jointfirs or Mormon teas.
• Gnetophyte (noun): A broader term for the division of gymnosperms that includes Ephedraceae, along with families Gnetaceae and Welwitschiaceae.

Synonyms

• Ephedra family: A common English name for Family Ephedraceae.
• Jointfir family: Another descriptive common name, referring to the characteristic jointed stems of its plants.

Notes on Meaning

This term has a single, precise meaning in scientific (botanical) nomenclature. It refers exclusively to the taxonomic family. It does not have idiomatic or phrasal verb uses. In some older classifications, as noted in the reference, this family was included within a broader family Gnetaceae, but it is now widely recognized as a separate family.

Noun

1. ephedras: in some classifications included in the Gnetaceae