Acanthocalycium glaucum: Difference between revisions
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== Description == | == Description == | ||
'''Acanthocalycium glaucum''' is a small, | '''Acanthocalycium glaucum''' is a small cactus species, typically solitary, with globose to short cylindrical stems. The epidermis is characteristically bluish-green (glaucous), giving the species its name. | ||
The ribs are | The ribs are well defined, usually numbering between 8 and 12, with slightly rounded margins. Areoles are small and bear numerous fine radial spines and a few central spines. Spines are slender, straight, and pale, often whitish to light yellow, becoming gray with age. | ||
Flowers are diurnal, funnel-shaped, | Flowers are diurnal, funnel-shaped, and generally pale yellow to creamy white, sometimes with slight pinkish tones. They arise near the apex and have a floral tube bearing small scales with hairs and spines. | ||
Fruits are small, spherical, dry, and dehiscent. Seeds are dark | Fruits are small, spherical, dry, and dehiscent. Seeds are small, dark, and papillose. | ||
== Distribution == | == Distribution == | ||
| Line 26: | Line 26: | ||
== Taxonomy == | == Taxonomy == | ||
According to '''Joël Lodé''', this species is | According to '''Joël Lodé''', this species is recognized within the genus [[Acanthocalycium]]. | ||
== Synonyms == | == Synonyms == | ||
* ''[[ | * ''[[Acanthocalycium glaucina]]'' | ||
* ''[[Acanthocalycium aurantiaca]]'' | |||
* ''[[Echinopsis glaucina]]'' | |||
* ''[[Acanthocalycium | * ''[[Echinopsis aurantiaca]]'' | ||
* ''[[Echinopsis | |||
* ''[[ | |||
== Notes == | == Notes == | ||
* | * Named for its characteristic glaucous (bluish) stem coloration. | ||
* Shows moderate variability in spine density and coloration. | * Shows moderate variability in spine density and coloration. | ||
* | * Includes taxa previously described under different names, later unified under this species. | ||
== Cultivation == | == Cultivation == | ||
* prefers well-draining mineral substrate | * prefers well-draining mineral substrate | ||
* requires bright light to full sun | * requires bright light to full sun | ||
Latest revision as of 06:08, 14 April 2026
| Acanthocalycium glaucum | |
|---|---|
| File:Acanthocalycium glaucum.jpg | |
| Kingdom | Plantae |
| Family | Cactaceae |
| Subfamily | Cactoideae |
| Tribe | Trichocereeae |
| SubTribe | |
| Genus | Acanthocalycium |
| Species | Acanthocalycium glaucum |
| Notes | Taxonomy follows Joël Lodé (2015–2019). |
Acanthocalycium glaucum is a species of cactus in the genus Acanthocalycium, native to Argentina.
Description
Acanthocalycium glaucum is a small cactus species, typically solitary, with globose to short cylindrical stems. The epidermis is characteristically bluish-green (glaucous), giving the species its name.
The ribs are well defined, usually numbering between 8 and 12, with slightly rounded margins. Areoles are small and bear numerous fine radial spines and a few central spines. Spines are slender, straight, and pale, often whitish to light yellow, becoming gray with age.
Flowers are diurnal, funnel-shaped, and generally pale yellow to creamy white, sometimes with slight pinkish tones. They arise near the apex and have a floral tube bearing small scales with hairs and spines.
Fruits are small, spherical, dry, and dehiscent. Seeds are small, dark, and papillose.
Distribution
- Argentina – Catamarca, La Rioja
Taxonomy
According to Joël Lodé, this species is recognized within the genus Acanthocalycium.
Synonyms
Notes
- Named for its characteristic glaucous (bluish) stem coloration.
- Shows moderate variability in spine density and coloration.
- Includes taxa previously described under different names, later unified under this species.
Cultivation
- prefers well-draining mineral substrate
- requires bright light to full sun
- moderate watering during active growth
- keep dry and cool in winter
