Echinopsis werdermannii

Echinopsis werdermannii is a species of Echinopsis found in Paraguay.[1]

Echinopsis werdermannii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Echinopsis
Species:
E. werdermannii
Binomial name
Echinopsis werdermannii
Frič ex Fleisch. 1962
Synonyms
  • Echinopsis oxygona f. werdermannii (Frič ex Fleisch.) J.Ullmann 2014

Description

Echinopsis werrmannii grows singly. The spherical, gray-green shoots reach diameters of up to 12 centimeters and heights of up to 8 centimeters. There are ten to twelve straight and sharp-edged ribs. The single black central spine is up to 0.2 centimeters long. The three to eight marginal spines are blackish.

The long, tube-shaped, funnel-shaped flowers are light pink. The flowers are up to 20 centimeters long.[2]

Distribution

Echinopsis werdermannii is widespread in Paraguay.

Taxonomy

The first description by Zdenĕk Fleischer was published in 1962. Zdenĕk Fleischer attributed the name to the Czech Alberto Vojtěch Frič. However, according to Article 8.4 of the International Code of Botanical Nomenclature, Echinopsis werrmannii has not been validly published (nom. inval.) because the type specimen on which the first description is based has not been permanently preserved, for example through a herbarium specimen.

References
  1. "Echinopsis werdermannii Frič ex Fleisch. — Plants of the World Online". Plants of the World Online. Retrieved 2023-09-28.
  2. Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 248. ISBN 3-8001-4573-1.
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