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==Distribution==
==Distribution==
''Pelecyphora duncanii'' is widespread in the United States in southern [[New Mexico]] and western [[Texas]].
''Pelecyphora duncanii'' is widespread in the United States in southern [[New Mexico]] and western [[Texas]].

==Taxonomy==
==Taxonomy==
The first description as ''Escobesseya duncanii'' by John Pinckney Hester was published in 1945. The specific epithet duncanii honors the American Frank Duncan, who owned the [[mining]] field where the species was discovered. Franz Buxbaum placed the species in the genus ''Escobaria'' in 1960. David Aquino & Daniel Sánchez moved the species to ''Pelecyphora'' based on [[phylogenetic]] studies in 2022.<ref name="Sánchez Vázquez-Benítez Vázquez-Sánchez Aquino 2022 pp. 115–165">{{cite journal | last1=Sánchez | first1=Daniel | last2=Vázquez-Benítez | first2=Balbina | last3=Vázquez-Sánchez | first3=Monserrat | last4=Aquino | first4=David | last5=Arias | first5=Salvador | title=Phylogenetic relationships in Coryphantha and implications on Pelecyphora and Escobaria (Cacteae, Cactoideae, Cactaceae) | journal=PhytoKeys | publisher=Pensoft Publishers | issue=188 | date=2022-01-21 | issn=1314-2003 | doi=10.3897/phytokeys.188.75739 | pages=115–165 | doi-access=free }}</ref> Further [[Synonym (taxonomy)|nomenclature synonyms]] are ''Escobaria duncanii'' (Hester) Backeb. (1961), ''Coryphantha duncanii'' (Hester) L.D.Benson (1969), ''Mammillaria duncanii'' (Hester) D.Weniger (1970), ''Escobaria dasyacantha'' var. ''duncanii'' (Hester) N.P.Taylor (1983) and ''Neobesseya duncanii'' (Hester) Lodé (2013).<ref name="Au Cactus Francophone h872">{{cite web | title=Au Cactus Francophone : | website=Au Cactus Francophone | url=https://www.cactuspro.com/lecture/Krainz-Hans/Die-Kakteen-E/page-98.en.html | language=fr | access-date=2023-12-15}}</ref>
The first description as ''Escobesseya duncanii'' by John Pinckney Hester was published in 1945. The specific epithet duncanii honors the American Frank Duncan, who owned the [[mining]] field where the species was discovered. Franz Buxbaum placed the species in the genus ''Escobaria'' in 1960. David Aquino & Daniel Sánchez moved the species to ''Pelecyphora'' based on [[phylogenetic]] studies in 2022.<ref name="Sánchez Vázquez-Benítez Vázquez-Sánchez Aquino 2022 pp. 115–165">{{cite journal | last1=Sánchez | first1=Daniel | last2=Vázquez-Benítez | first2=Balbina | last3=Vázquez-Sánchez | first3=Monserrat | last4=Aquino | first4=David | last5=Arias | first5=Salvador | title=Phylogenetic relationships in Coryphantha and implications on Pelecyphora and Escobaria (Cacteae, Cactoideae, Cactaceae) | journal=PhytoKeys | publisher=Pensoft Publishers | issue=188 | date=2022-01-21 | issn=1314-2003 | doi=10.3897/phytokeys.188.75739 | pages=115–165 | doi-access=free }}</ref> Further [[Synonym (taxonomy)|nomenclature synonyms]] are ''Escobaria duncanii'' (Hester) Backeb. (1961), ''Coryphantha duncanii'' (Hester) L.D.Benson (1969), ''Mammillaria duncanii'' (Hester) D.Weniger (1970), ''Escobaria dasyacantha'' var. ''duncanii'' (Hester) N.P.Taylor (1983) and ''Neobesseya duncanii'' (Hester) Lodé (2013).<ref name="Au Cactus Francophone h872">{{cite web | title=Au Cactus Francophone : | website=Au Cactus Francophone | url=https://www.cactuspro.com/lecture/Krainz-Hans/Die-Kakteen-E/page-98.en.html | language=fr | access-date=2023-12-15}}</ref>

== References ==
== References ==
{{Reflist}}
{{Reflist}}

==External links==
==External links==
*{{Commons category-inline|Pelecyphora duncanii|''Pelecyphora duncanii''}}
*{{Commons category-inline|Pelecyphora duncanii|''Pelecyphora duncanii''}}

Revision as of 13:49, 16 December 2023

Pelecyphora duncanii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Pelecyphora
Species:
P. duncanii
Binomial name
Pelecyphora duncanii
(Hester) D.Aquino & Dan.Sánchez

Pelecyphora duncanii is a species of flowering plant in the family Cactaceae, native to the southern United States.

Description

Pelecyphora duncanii grows solitary or forms groups. The circular, almost spherical to inverted conical green shoots reach heights of 2.5 to 6 centimeters and the same diameter. The shoots are covered by the dense thorns. Their non-solid, cylindrical warts are up to 6 millimeters long. The 30 to 75 white thorns have a darker tip and cannot be divided into central and peripheral thorns. They are slender, fragile, needle-like, straight to curved or twisted, and up to 2 centimeters long.

The pink flowers are up to 3 centimeters long. The red, club-shaped fruits are up to 10 millimeters long.[2]

Distribution

Pelecyphora duncanii is widespread in the United States in southern New Mexico and western Texas.

Taxonomy

The first description as Escobesseya duncanii by John Pinckney Hester was published in 1945. The specific epithet duncanii honors the American Frank Duncan, who owned the mining field where the species was discovered. Franz Buxbaum placed the species in the genus Escobaria in 1960. David Aquino & Daniel Sánchez moved the species to Pelecyphora based on phylogenetic studies in 2022.[3] Further nomenclature synonyms are Escobaria duncanii (Hester) Backeb. (1961), Coryphantha duncanii (Hester) L.D.Benson (1969), Mammillaria duncanii (Hester) D.Weniger (1970), Escobaria dasyacantha var. duncanii (Hester) N.P.Taylor (1983) and Neobesseya duncanii (Hester) Lodé (2013).[4]

References

  1. ^ Univ., Martin Terry (Sul Rose State; College, Kenneth Heil (San Juan; Mexico, New; Ambiental), Rafael Corral-Díaz (Consultor (2009-11-17). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2023-12-15.
  2. ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 274. ISBN 3-8001-4573-1.
  3. ^ Sánchez, Daniel; Vázquez-Benítez, Balbina; Vázquez-Sánchez, Monserrat; Aquino, David; Arias, Salvador (2022-01-21). "Phylogenetic relationships in Coryphantha and implications on Pelecyphora and Escobaria (Cacteae, Cactoideae, Cactaceae)". PhytoKeys (188). Pensoft Publishers: 115–165. doi:10.3897/phytokeys.188.75739. ISSN 1314-2003.
  4. ^ "Au Cactus Francophone :". Au Cactus Francophone (in French). Retrieved 2023-12-15.