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crucianella

Scientific Name: Crucianella

Family: Rubiaceae

Category: Dicot

Growth:

Duration:

Other Names:

       

Crucianella and Phuopsis: A Detailed Look

This page provides information on plants from the genera Crucianella and Phuopsis, often referred to by the common name Crossworts.

Taxonomy and Nomenclature

  • Genus: Crucianella and Phuopsis
  • Family: Rubiaceae (the Madder family)
  • Major Group: Angiosperms (Flowering plants)
  • Binomial Name (for one species): Phuopsis stylosa Trin.
  • Synonyms (for Phuopsis stylosa):
    • Asperula ciliata Moench
    • Crucianella stylosa
    • Putoria calabrica Pers.

Distribution and Habitat

  • Crucianella species are found from the Mediterranean region to Central Asia and the Arabian peninsula.
  • Phuopsis stylosa (also known as Crucianella stylosa) originates from the Middle East.
  • Crucianella maritima is a coastal species found in the Mediterranean.

Morphological Characteristics and Growth Habits

  • Crucianella species are generally annual herbs, though some can be low shrubs.
  • Phuopsis stylosa is a fast-growing, mat-forming perennial that can be used as a ground cover.
  • It has whorls of pale green leaves and rounded heads of pink flowers.
  • Height is typically around 15cm.
  • Flowers are tubular and form a round bouquet at the end of the stems.

Ecological Role

  • Phuopsis stylosa is noted for its vigorous growth and ground-covering properties.

Related Species and Varieties

  • Within the Crucianella genus, there is a variety with deeper pink flowers called 'Purpurea'.

Further Information

  • USDA, ARS, Germplasm Resources Information Network (GRIN)
  • RHS (Royal Horticultural Society)