Acanthocalycium ferrarii: Difference between revisions

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| 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 northwestern Argentina.


== Description ==
== Description ==
'''Acanthocalycium ferrarii''' is a solitary cactus species forming globose to short cylindrical stems, green in color, reaching up to 12 cm in diameter.
'''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 ribs are numerous, up to 18, rounded and often swollen at the areoles. Areoles are oval and whitish. Spines are horn-colored to brown, usually straight and awl-shaped. Central spines number 1–4 and reach up to 1.5 cm in length. Radial spines number 7–9 and may reach up to 2 cm.


Flowers are showy, ranging in color from yellow to orange-red to carmine, reaching up to 5.5 cm in length and about 5 cm in diameter. Fruits are oval, up to 10 mm long and 8 mm in diameter.
* '''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 ==
== Distribution ==
* Argentina – Tucumán Province
Argentina:


== Species within the genus ==
* Catamarca
* '''Acanthocalycium ferrarii'''
* La Rioja
* [[Acanthocalycium glaucum]]
* [[Acanthocalycium klimpelianum]]
* [[Acanthocalycium spiniflorum]]
* [[Acanthocalycium thionanthum]]


== Taxonomy ==
== Taxonomy ==
According to Joël Lodé, this species is accepted within the genus [[Acanthocalycium]].


{{TaxonomySource}}
* Described by Rausch (1976)
* Accepted as a distinct species in Lodé (2015)


== Synonyms ==
== Synonyms ==
The following names have been associated with this species:
According to Joël Lodé (2015):


''[[Acanthocalycium variiflorum]]''
* ''Acanthocalycium variiflorum'' — nom. inval.
''[[Acanthocalycium thionanthum var. variiflorum]]''


== Notes ==
== Notes ==
* Described by Rausch (1976).
 
* Shows variation in flower coloration.
* Originally associated with ''Acanthocalycium thionanthum''
* Displays variability in flower coloration


== Cultivation ==
== Cultivation ==
This species is relatively easy to cultivate:
* requires well-draining mineral soil 
* prefers bright light 
* tolerates cooler temperatures if kept dry during winter 


[[Category:Cactaceae species]]
* well-draining mineral substrate
[[Category:Flora of Argentina]]
* bright light to full sun
[[Category:Trichocereeae]]
* moderate watering during growth
* dry, cool winter rest
 
[[Category:Cactaceae]]
[[Category:Cactoideae]]
[[Category:Cereeae]]
[[Category:Trichocereinae]]
[[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