Acanthocalycium ferrarii: Difference between revisions

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{{Taxobox
{{Taxobox
| name = Acanthocalycium ferrarii
| name = Acanthocalycium ferrarii
| image = Acanthocalycium ferrarii.jpg
| image = Acanthocalycium_ferrarii.jpg
| kingdom = [[Plantae]]
| kingdom = [[Plantae]]
| family = [[Cactaceae]]
| family = [[Cactaceae]]
| subfamily = [[Cactoideae]]
| subfamily = [[Cactoideae]]
| tribe = [[Trichocereeae]]
| tribe = [[Cereeae]]
| subtribe = [[Trichocereinae]]
| genus = [[Acanthocalycium]]
| genus = [[Acanthocalycium]]
| species = '''Acanthocalycium ferrarii'''
| species = '''A. ferrarii'''
| binomial = Acanthocalycium ferrarii
| binomial_authority = Rausch (1976)
| notes = Taxonomy follows Joël Lodé (2015–2019).
| notes = Taxonomy follows Joël Lodé (2015–2019).
}}
}}


''Acanthocalycium ferrarii'' is a species of cactus in the genus [[Acanthocalycium]], native to Argentina.
''Acanthocalycium ferrarii'' is a species of cactus in the genus [[Acanthocalycium]], native to northwestern Argentina.


== Description ==
== Description ==
'''Acanthocalycium ferrarii''' is a small globose to short cylindrical cactus, typically growing solitary. Stems are dark green to slightly glaucous and can reach about 10–15 cm in height.
'''Acanthocalycium ferrarii''' is a small to medium-sized cactus, usually solitary, with globose to short cylindrical stems and a green to grey-green epidermis.


The plant has 10–15 ribs, clearly defined, with small areoles bearing dense clusters of spines. Radial spines are thin, numerous, and pale, while central spines are slightly stronger and darker.
* '''Ribs''': 10–15, well defined, slightly tuberculate
* '''Areoles''': Regularly spaced, with short wool when young
* '''Spines''': Numerous, straight; radial and central spines present; colour variable from pale grey to brown
* '''Flowers''': Diurnal, subapical; funnel-shaped; white to pink or yellowish; floral tube with spiny scales
* '''Fruits''': Spherical, dry; dehiscent
* '''Seeds''': Dark, papillose


Flowers are funnel-shaped, relatively large compared to the body, and usually white to pale pink, sometimes with a darker midstripe. They emerge near the apex.
== Distribution ==
Argentina:


Fruits are small, dry, and dehiscent, containing numerous tiny black seeds.
* Catamarca
* La Rioja


== Distribution ==
== Taxonomy ==
* Argentina – Catamarca


== Taxonomy ==
* Described by Rausch (1976)
According to '''Joël Lodé''', this species is included in the genus [[Acanthocalycium]].
* Accepted as a distinct species in Lodé (2015)


== Synonyms ==
== Synonyms ==
* ''[[Echinopsis ferrarii]]''
According to Joël Lodé (2015):
* ''[[Lobivia ferrarii]]''
 
* ''Acanthocalycium variiflorum'' — nom. inval.


== Notes ==
== Notes ==
* A relatively localized species with limited distribution.
 
* Sometimes treated within the genus ''Echinopsis'' in broader classifications.
* Originally associated with ''Acanthocalycium thionanthum''
* Distinguished by its rib count and dense spine coverage.
* Displays variability in flower coloration


== Cultivation ==
== Cultivation ==
* requires well-drained, mineral substrate
 
* prefers bright light to full sun
* well-draining mineral substrate
* moderate watering during growth period 
* bright light to full sun
* keep dry during winter dormancy 
* moderate watering during growth
* dry, cool winter rest


[[Category:Cactaceae]]
[[Category:Cactaceae]]
[[Category:Cactoideae]]
[[Category:Cactoideae]]
[[Category:Trichocereeae]]
[[Category:Cereeae]]
[[Category:Trichocereinae]]
[[Category:Acanthocalycium]]
[[Category:Acanthocalycium]]

Latest revision as of 20:07, 27 April 2026

Acanthocalycium ferrarii
File:Acanthocalycium ferrarii.jpg
Kingdom Plantae
Family Cactaceae
Subfamily Cactoideae
Tribe Cereeae
SubTribe Trichocereinae
Genus Acanthocalycium
Species A. ferrarii
Notes Taxonomy follows Joël Lodé (2015–2019).

Acanthocalycium ferrarii is a species of cactus in the genus Acanthocalycium, native to northwestern Argentina.

Description

Acanthocalycium ferrarii is a small to medium-sized cactus, usually solitary, with globose to short cylindrical stems and a green to grey-green epidermis.

  • Ribs: 10–15, well defined, slightly tuberculate
  • Areoles: Regularly spaced, with short wool when young
  • Spines: Numerous, straight; radial and central spines present; colour variable from pale grey to brown
  • Flowers: Diurnal, subapical; funnel-shaped; white to pink or yellowish; floral tube with spiny scales
  • Fruits: Spherical, dry; dehiscent
  • Seeds: Dark, papillose

Distribution

Argentina:

  • Catamarca
  • La Rioja

Taxonomy

  • Described by Rausch (1976)
  • Accepted as a distinct species in Lodé (2015)

Synonyms

According to Joël Lodé (2015):

  • Acanthocalycium variiflorum — nom. inval.

Notes

  • Originally associated with Acanthocalycium thionanthum
  • Displays variability in flower coloration

Cultivation

  • well-draining mineral substrate
  • bright light to full sun
  • moderate watering during growth
  • dry, cool winter rest
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