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Ariocarpus agavoides var. sanluisensis

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Ariocarpus agavoides var. sanluisensis

The uncommon characteristic of this rare population is the presence of spines in the areoles. 

 

Description: The peculiarity of the "sanluisensis" variety is the presence of spines in the areoles, this characteristic is sometime found also in the plant from Tula (even if very rare), while most of the plant from San Luis Potosi are spiny.
The plants from the different known populations are anyhow very similar,  the only noticeable difference is the presence of spines, while flowers, tubercles and size are identical.
Stem: Greenish-brown sub-globose, flattened on top, 2-6cm high, rising barely above ground level, 4-8cm in diameter.The rest of the plant (swollen rootstock) stay underground.
Tubercles: Divergent, often flaccid and not erect, not crowded or basally compressed, acute at the apices, flattened adaxially, not fissured, not incurved, 3-7cm long, 5-10mm broad, more than 4 times as long as wide;
Areoles: 5-12mm from the tips of the tubercles, rounded, 2-5 mm in diameter;
Spines: None or up to 3, 2-6 mm long, whitish.
Flowers: 3.5-4.2cm in diameter, 2-5cm long; outer perianth segments magenta with greenish-white margins, inner perianth parts deep magenta, pistil 2-3mm above the stamens; style white. 1-2cm long; stigmas 5-8, 1-2.5mm long;
Fruit: pinkish-red to reddish purple, globose to elongate, 10-20mm long, 5-12mm in diameter.

 

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Family: Cactaceae (Cactus Family)

Conservation status: Listed in CITES appendix I

Scientific name: Ariocarpus agavoides var. sanluisensis  Sotom.
Arred., Sanchez Barra & Mart.Mend.

Origin: Mexico, The type locality  of A. agavoides is sited around the town of Tula, Tamaulipas. Two new colonies have been found recently in San Luis Potosi, disjunct from the original site (A. agavoides var. sanluisensis).

Synonyms: Ariocarpus agavoides f. san-luisensis


 

 

 

Cultivation: Grows in alluvial plain that becomes muddy in summer, so likes quite a lot of water then... but very prone to rot other times of the year, give moderate water in spring and autumn, no water in winter. Cultivate it  in a well drained, non-organic, free-draining soil compost. The use of a weak low-nitrogen fertilizer during the growing season can encourage growth. The main threat to its development is root rot.
The Ariocarpus should be kept dry whenever there is a threat of cold. The appearance of Ariocarpus can benefit greatly by watering the plants from the bottom. This practice will help to keep the “wool” on the top of the plant from becoming matted or discoloured. Need half shadel to Full sunf. Frost Tolerance: Hardy to -10° C.

Propagation: It is easy to raise from seed, but will generally take about 5-8 years to reach flowering size, occasionally grafted.

Photo of conspecific taxa, varieties, forms and cultivars of Ariocarpus agavoides:.
 

Home | E-mail | Plant files | Mail Sale Catalogue | Links | Information | Search

All the information and photos in cactus art file are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.