welwitschia

Học thuật
Thân thiện
welwitschia

A welwitschia grows in a dry desert landscape.

Definition

Noun: 1. A unique gymnospermous plant: Welwitschia is the common name for Welwitschia mirabilis, a distinctive and ancient plant species native to the Namib Desert in southwestern Africa. It is known for its extremely slow growth and remarkable longevity.

Usage
  • The is considered a living fossil due to its unique characteristics and ancient lineage.
  • Botanists travel to the Namib Desert to study the in its natural habitat.
  • A mature consists primarily of a short, woody trunk and two long, strap-like leaves that grow continuously throughout its life.
Advanced Usage
  • "Welwitschia mirabilis": This is the full binomial (scientific) name for the species. The genus name honors the Austrian botanist Friedrich Welwitsch, and "mirabilis" means "marvelous" or "wonderful" in Latin.
    • Welwitschia mirabilis is the sole surviving species of its order, making it of great scientific interest.
Variants and Related Words
  • Welwitschiaceae (n): The plant family to which belongs. It is a small family of gymnosperms.
  • Gymnosperm (n): A major group of seed-producing plants that includes conifers, cycads, ginkgo, and . Their seeds are not enclosed in an ovary.
Synonyms
  • Living fossil: An informal term for an extant organism that closely resembles species known only from the fossil record. The is often described this way.
  • Desert plant: A general term for any plant adapted to arid environments, which includes the .
welwitschia

A welwitschia grows in a dry desert landscape.

Noun
  1. curious plant of arid regions of southwestern Africa having a yard-high and yard-wide trunk like a turnip with a deep taproot and two large persistent woody straplike leaves growing from the base; living relic of a flora long disappeared; some may be 700-5000 years old