Biology:Echinopsis densispina

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Short description: Species of cactus

Echinopsis densispina
Echinopsis densispina1MW.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Echinopsis
Species:
E. densispina
Binomial name
Echinopsis densispina
Werderm.
Synonyms

Echinopsis densispina, is a species of Echinopsis found in Argentina.[2]

Description

Echinopsis densispina grows solitary. The egg-shaped, grey-green to dark green shoots reach heights of growth of up to 8 centimeters with a diameter of 5.5 centimetres with around 17 notched ribs divided into tubercles. The yellowish-white areoles located on them are sometimes sunken and are up to 0.5 centimeters apart. The four to seven central spines are light to dark brown with darker tips. The central spines are straight to slightly curved and thickened at their base and 1.5 to 2 centimeters long or much shorter and inconspicuous. The radial spines are 16 to 22 whitish, bristle-like, flexible and 0.6 to 0.8 centimeters long. The short and broad, funnel-shaped, yellow to orange flowers are up to 8.5 centimeters long[3]

Distribution

Echinopsis densispina is widespread in the Jujuy province of Argentina at altitudes of 1500 to 3000 meters.

Taxonomy

The first description by Erich Werdermann was published in 1934.[4] The specific epithet densispina is derived from the Latin words densus for 'dense' and -spinus for 'thorny'. Nomenclature synonyms are Lobivia densispina Werderm. ex Backeb. & F.M.Knuth (1936), Hymenorebutia densispina (Werderm.) Buining (1939), Salpingolobivia densispina (Werderm.) Y.Itô (1957), Lobivia famatimensis var. densispina (Werderm.) Backeb. (1960), Lobivia haematantha subsp. densispina (Backeb. & F.M.Knuth) Rausch (1975), Lobivia haematantha var. densispina (Backeb. & F.M.Knuth) Rausch (1975) and Lobivia haematantha subsp. densispina (Backeb. & F.M.Knuth) Rausch ex G.D.Rowley (1982).

References

  1. "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2010-09-23. https://www.iucnredlist.org/species/151964/121451886. Retrieved 2023-10-02. 
  2. "Echinopsis densispina". http://www.tropicos.org/Name/5107145. 
  3. Anderson, Edward F.; Eggli, Urs (2005) (in de). Das grosse Kakteen-Lexikon. Stuttgart (Hohenheim): Ulmer. p. 227. ISBN 3-8001-4573-1. 
  4. "Au Cactus Francophone :" (in fr). https://www.cactuspro.com/lecture/Kakteenkunde/Kakteenkunde1934/page-214.en.html. 

External links

Wikidata ☰ Q312116 entry