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Gymnocalycium achirasense
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Description: G. achirasense
is a (usually) solitary
geophytic cactus.
Stem: Flattened or
globular, grey-green to olive green, 5-6 cm in diameter, up to 5 cm
tall, but in cultivation it can become 7-8 cm high (or more)
over the
years.
Ribs: 12-15
Radial spines: Stout 10 up to 12, but usually less in young
plants, bent against the body.
Central spines: Usually absent, or 1 erected
one.
Flowers: Are some of the largest in this genus, often growing
larger than the plant!, 6 up to 7 cm long and wide, dark to light
purple, with a darker
mid-strip.
Fruit: Green
Seeds: Dark brown.
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Cultivation: It is a summer-rowing
species that offers no cultivation
difficulty. Water regularly in summer (but do not over-water).
Keep rather dry in winter.
Feed with a high
potassium fertilizer in summer.
Hardy as low as -5° C (or less)
if kept dry.
Sun Exposure: Light shade.
Propagation: Direct sow after
last frost or offsets |
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This species has olive green
stems with stout spines.
Photo of conspecific taxa,
varieties, forms and cultivars of Gymnocalycium monvillei.
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Family:
Cactaceae (Cactus
Family)
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Scientific name:
Gymnocalycium achirasense H. Till &
Schatzl 1979 ex H. Till
Published in: KuaS 38(8): 191, 1987
Origin: Argentina (San Luis)
Conservation status: Listed in
CITES appendix 2.
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Synonyms:
- Gymnocalycium monvillei ssp. achirasense
(H. Till & Schatzl ex H. Till) H. Till,
Published in:
Gymnocalycium 6(3): 102, 1993
- Gymnocalycium horridispinum var.
achirasense (Till & Schatzl) Lodé
Published in: Cactus Aventures International Nr. 27:
29, 1995 und Fichier Encycl. Cact. 16: 1473, 1995
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Spines are covered by characteristic
imbricate scales
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Cultivation
and Mail Sale 
