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Turbinicarpus ysabelae
(Syn: Gymnocactus ysabelae)

CACTUS ART
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Turbinicarpus ysabelae
This species has perhaps more often been placed in Gymnocactus and is seldom seen in cultivation.
 

Description: Usually solitary cactus almost completely concealed by spines and wool.
Stem: Globular depressed, 40-160 mm high, 70-200 mm wide, yellowish-green with a very woolly apex.
Ribs: 15-15 tubercled.
Tubercles:
Conical, well-developed, 3-8mm high.
Areoles: Oblong, at first very woolly then almost naked.
Radials spines: 16-20 radiating, partially pectinated, straight, whitish 2-10 mm long. The young spines have a yellow base, a white median zone and a dark brown tip, then they become white and translucent.
Central spines:
1 curved upwards, at first black-bluish that becomes greyish-white with darker tip 7-20mm long. Flowers: White with a greenish base, 10-18 mm long, generally 30 mm wide but can be up to 70 mm wide.
Fruit: Dry, dehising from a lateral fissure.
Seeds: Black.
 

Turbinicarpus ysabelae BZ33 Tula (young and old plants)

The dense glassy spines almost hide the stem.
 

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Family: Cactaceae (Cactus Family)

Scientific name:  Turbinicarpus ysabelae (Schlange) John & Riha

Origin: Mexico (Tamaulipas) It grows near Tula. The wild population is less than 250 individuals confined to a single location less than 1 km (100x200 m), where it continues to decline as a result of illegal collecting and San Luis de Potosi, Rancho el Vergel.

Conservation status: Listed in CITES appendix 1.

Synonyms:  

  • Turbinicarpus saueri ssp. ysabelae (K. Schlange) J. Lüthy
  • Gymnocactus ysabelae
  • Gymnocactus ysabelae var. brevispinus
  • Pediocactus ysabelae
  • Thelocactus ysabelae
  • Thelocactus ysabelae v brevispinus
  • Turbinicarpus ysabelae v brevispinus
  • Neolloydia knuthiana var. ysabelae


 

 



Turbinicarpus ysabelae FO 776
 

Cultivation: This species is relatively easy to cultivate. Requires full sun and careful watering to keep plant compact and low. It has a tap root, and watering it properly is often difficult and tends to crack open or rot if over-watered.

Propagation: It can be reproduced by seeds. Young seedlings are tiny and they need several years to reach adult size, and require very careful watering.
 

Photo of conspecific taxa, varieties, forms and cultivars of plants belonging to the Turbinicarpus sueri complex:

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

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