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 = [[Cereeae]]
| tribe = [[Trichocereeae]]
| subtribe = [[Trichocereinae]]
| genus = [[Acanthocalycium]]
| genus = [[Acanthocalycium]]
| species = '''A. ferrarii'''
| species = '''Acanthocalycium ferrarii'''
| binomial = Acanthocalycium ferrarii
| notes = Taxonomy follows Joël Lodé (2015–2019).
| binomial_authority = Rausch (1976)
| synonyms = ''Acanthocalycium variiflorum'' nom. inval.
| notes = Taxonomy follows Joël Lodé (2015).
}}
}}


== Etymology ==
''Acanthocalycium ferrarii'' is a species of cactus in the genus [[Acanthocalycium]], native to northwestern Argentina.
The species name ''ferrarii'' honors an individual named Ferrari.


== Description ==
== Description ==
'''Acanthocalycium ferrarii''' is a small to medium-sized cactus characterized by variable spination and colorful flowers.
'''Acanthocalycium ferrarii''' is a small to medium-sized cactus, usually growing solitary, with globose to short cylindrical stems. The epidermis is green to slightly grayish-green.


* '''Habit''': Usually solitary; occasionally forming small groups.
The plant develops 10–15 well-defined ribs with rounded margins. Areoles are regularly spaced and bear numerous radial spines and a few stronger central spines. Spines are straight, varying from pale gray to brownish, becoming darker with age.
* '''Roots''': Fibrous.
* '''Stems''': Globose to short cylindrical; green to grey-green.
* '''Ribs''': 10–20, well defined, slightly tuberculate.
* '''Areoles''': Rounded, with short wool when young.
* '''Spines''': Numerous, straight; variable in length and color.
* '''Flowers''': Diurnal, subapical; funnel-shaped; pink to violet or reddish.
* '''Floral tube''': Covered with spiny scales.
* '''Pollination''': By insects (mainly bees).
* '''Fruits''': Spherical, hard; dehiscent at maturity.
* '''Seeds''': Dark brown to black, papillose.


== Habitat ==
Flowers are relatively large compared to the plant body, funnel-shaped, and variable in coloration, ranging from white to pale pink or yellowish tones. The floral tube bears characteristic scales with spines, hairs, and bristles.


* rocky slopes
Fruits are spherical, dry, and dehiscent. Seeds are small, dark, and papillose.
* dry valleys
* shrub vegetation
 
Altitude range: approximately 500–3000 m.


== Distribution ==
== Distribution ==
Argentina:
* Argentina – Catamarca, La Rioja
 
* Catamarca
* La Rioja


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


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


== Notes ==
== Notes ==
* Originally treated as a variety of ''Acanthocalycium thionanthum''.
* Later elevated to species rank as ''Acanthocalycium ferrarii''.
* Shows variability in flower coloration, reflected in the name ''variiflorum''.


* Notable variability in flower coloration.
== Cultivation ==
* Adapted to arid highland environments.
* prefers well-draining mineral substrate 
* requires bright light to full sun 
* moderate watering during active growth 
* keep dry and cool in winter 


[[Category:Cactaceae species]]
[[Category:Cactaceae]]
[[Category:Cactoideae]]
[[Category:Trichocereeae]]
[[Category:Acanthocalycium]]
[[Category:Acanthocalycium]]

Revision as of 20:06, 27 April 2026

Acanthocalycium ferrarii
File:Acanthocalycium ferrarii.jpg
Kingdom Plantae
Family Cactaceae
Subfamily Cactoideae
Tribe Trichocereeae
SubTribe
Genus Acanthocalycium
Species Acanthocalycium 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 growing solitary, with globose to short cylindrical stems. The epidermis is green to slightly grayish-green.

The plant develops 10–15 well-defined ribs with rounded margins. Areoles are regularly spaced and bear numerous radial spines and a few stronger central spines. Spines are straight, varying from pale gray to brownish, becoming darker with age.

Flowers are relatively large compared to the plant body, funnel-shaped, and variable in coloration, ranging from white to pale pink or yellowish tones. The floral tube bears characteristic scales with spines, hairs, and bristles.

Fruits are spherical, dry, and dehiscent. Seeds are small, dark, and papillose.

Distribution

  • Argentina – Catamarca, La Rioja

Taxonomy

According to Joël Lodé, this species is recognized as distinct within the genus Acanthocalycium.

Synonyms

Notes

  • Originally treated as a variety of Acanthocalycium thionanthum.
  • Later elevated to species rank as Acanthocalycium ferrarii.
  • Shows variability in flower coloration, reflected in the name variiflorum.

Cultivation

  • prefers well-draining mineral substrate
  • requires bright light to full sun
  • moderate watering during active growth
  • keep dry and cool in winter
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