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gypsum centaury

Scientific Name: Centaurium maryannum

Family: Gentianaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names:

       

Centaurium maryannum and Agave gypsophila

This page provides information about two distinct plants: Centaurium maryannum, commonly known as Gypsum Centaury, and Agave gypsophila, known as Gypsum Century Plant. While they share a habitat preference for gypsum-rich soils and similar common names, they are botanically unrelated.

Centaurium maryannum (Gypsum Centaury)

Centaurium maryannum is an annual wildflower recognized for its vibrant pink blooms. It is a forb/herb, meaning it's a non-woody plant that is not a grass. It's known to be quite abundant within its limited range and only grows to a couple of inches high.

Taxonomy and Nomenclature
  • Scientific Name: Centaurium maryannum B.L. Turner
  • Common Name: Gypsum Centaury
  • Synonym: Zeltnera maryanna (B.L. Turner) G. Mans.
  • Family: Gentianaceae (Gentian family)
Distribution and Habitat
  • Prefers soils high in gypsum.
Related Species
  • Zeltnera abramsii
  • Zeltnera arizonica (Arizona Centaury)
  • Zeltnera beyrichii (Gypsum Centaury - note the shared common name with Centaurium maryannum)
  • Zeltnera muehlenbergii (Muhlenberg's Centaury)
  • Zeltnera madrensis
  • Zeltnera martinii
  • Zeltnera maryanna (Gypsum Centaury)
Further Information
  • Information can be found in the USDA PLANTS database.
  • Dave's Garden offers tips and ideas.

Agave gypsophila (Gypsum Century Plant)

Agave gypsophila, or Gypsum Century Plant, is a succulent known for its wavy, gray-green leaves and overall beauty, forming a single open rosette.

Considerations for Pets

  • This plant is a succulent that may have sharp edges.
Taxonomy and Nomenclature
  • Scientific Name: Agave gypsophila
  • Common Name: Gypsum Century Plant
Distribution and Habitat
  • Native to Mexico.
  • Found in alkaline, gypsum-laden soils.
Morphological Characteristics
  • A small, sprawling succulent that grows to 2-3 feet tall and wide.
  • Forms a single open rosette of wavy gray-green leaves.
  • Leaves have wavy margins.
Growing Conditions
  • Prefers full sun (coastal) to light shade.
  • Drought-tolerant.
  • Hardy to zones 9b-11.
  • Needs dry soil.
  • Protect from frost.
Cultivars
  • Agave gypsophila 'Marginata' (Margined Gypsum Century Plant)
  • Agave gypsophila 'Curly' (Curly Gypsum Century Plant)
  • Agave Gypsophila 'Ivory Curls'.
Etymology
  • The genus name Agave comes from the Greek word "agauos," meaning noble or handsome.
Further Information
  • Information can be found in a plant guide with over 7000 plants.