Acanthocalycium glaucum
| 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). |
Description
Acanthocalycium glaucum is a small cactus species forming globose to short cylindrical stems, typically bluish-green to gray-green in coloration.
The ribs are well-defined, often slightly tuberculate. Areoles are rounded to oval and bear numerous spines. Spines are variable, usually slender, straight to slightly curved, and range from pale to darker tones. Central spines may be present or absent, while radial spines are more numerous and evenly distributed.
Flowers are funnel-shaped, typically pale yellow to whitish, sometimes with subtle variations in tone. Floral tubes bear scales, hairs, and bristles characteristic of the genus. Fruits are small, dry, and dehiscent.
Distribution
- Argentina (northwestern regions)
Species within the genus
- Acanthocalycium ferrarii
- Acanthocalycium glaucum
- Acanthocalycium klimpelianum
- Acanthocalycium spiniflorum
- Acanthocalycium thionanthum
Taxonomy
According to Joël Lodé, this species is accepted within the genus Acanthocalycium.
📚 Taxonomy note: Taxonomic placement follows the system of Joël Lodé (2015–2019).
Synonyms
The following names have been associated with this species:
Notes
- Recognized for its characteristic glaucous (bluish) epidermis.
- Shows variation in spine density and coloration.
Cultivation
This species is relatively easy to cultivate:
- requires well-draining mineral soil
- prefers bright light
- tolerates cooler temperatures if kept dry during winter
