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Achillea umbellata

Scientific Name: Achillea umbellata

Family: Asteraceae

Category: Dicot

Growth:

Duration:

Other Names:

       

Achillea umbellata: Unveiling the Umbellata Yarrow

Explore the fascinating world of Achillea umbellata, commonly known as Umbellata Yarrow. This clump-forming perennial offers unique characteristics and origins that make it a noteworthy addition to the plant kingdom.

Considerations for Pets

  • The plant has low growing, 15cm stems.
  • The plant has small, silvery-grey leaves.

Taxonomy and Nomenclature

  • Scientific Name: Achillea umbellata Sm.
  • Common Name: Umbellata Yarrow
  • Family: Asteraceae (also referred to as Compositae)
  • Group: Dicot
  • Synonyms:
    • Ptarmica umbellata (Sm.) DC.
    • Achillea argentea hort.
    • Achillea umbellata subsp. monocephala (Heimerl)
    • Achillea umbellata var. monocephala, Heimerl
  • Taxonomic Rank: Subspecies, such as Achillea umbellata subsp. umbellata and Achillea umbellata Sibth. &amp Sm. subsp. monocephala (Heldr. ex Heimerl) Tzanoud. &amp Iatro

Distribution and Habitat

  • Native to Greece, particularly the Peloponnese region.
  • Endemic to south and central Greece.
  • Naturally found on limestone cliffs and rocky outcrops.

Morphological Characteristics and Growth Habits

  • Clump-forming, semi-evergreen perennial.
  • Grows to a height of approximately 20 cm and a width of 30 cm.
  • Features feathered, pinnate, white-grey leaves.
  • Produces heads of large, white flowers from May to July.
  • Forms dense cushions of silvery, downy foliage.

Cultivation

  • Prefers a sunny location.
  • Requires well-drained, moist soil.
  • Fully hardy to -15°C.

Quirky Facts

  • The plant was first described by James Edward Smith in 1813, and the name is considered validly published.

Interactions with other organisms

  • The essential oil of the aerial parts of the endemic plant has been studied.

Further Information

  • Royal Horticultural Society (RHS): Provides help and information on Achillea umbellata.
  • Encyclopedia of Life: Offers information on Achillea umbellata, particularly within the Asteraceae family.
  • International Plant Names Index (IPNI)
  • Australian Plant Name Index
  • NYBG Virtual Herbarium
  • JSTOR Plant Science