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Turbinicarpus valdezianus v. albiflorus
(Syn: Pelecyphora valdeziana)

CACTUSPEDIA       

 


Turbinicarpus valdezianus var. albiflorus Matehuala, San Luis Potosí, Mexico.
A six-year-old plant showing the typical white flowers, the plant is only 2 cm Ř, and the flowers are larger than the plant itself !!! A really dwarf gem!
 

Description: The T. valdezianus is one the smallest and slowest growing Turbinicarpus with tiny feathery spines that obscure the body of the plant, it is usually solitary but sometime form clusters of few branches.
Stem: Young plants are spherical, then cylindrical with a narrower base and short spirally arranged tubercles, the apex is completely covered by the plumose spination. Typically half of it is underground with a big tap root. The plants are about 3-5 cm high and 1-2 cm in diameter.
Spines: Turbinicarpus valdezianus is a pectinate species species, but the the pectinate spines are not in the two neat rows as in T. pseudopectinatus, the ca. 25-30 spines, are dense, feathery and white, about 0.5 mm long, spreading flat around the areoles.
Flowers: One to 5 diurnal, at plant apex, this species is found scattered in small populations in several
locations and the colour of the flowers is variable ranging from pinkish white to bright pink with darker magenta or reddish-brown midveins. The population 
from Matehuala (a.k.a. T. valdezianus  var. albiflorus) is characterized by  pure white flowers, yellow stamen and white stigma.
Blooming season: Early bloomer (February - March).

 

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Family: Cactaceae (Cactus Family)

Scientific Name: Turbinicarpus valdezianus var. albiflorus

OriginMatehuala, San Luis Potosí, Mexico.

Conservation status: Listed in CITES appendix I

 

Synonyms:

  • Pelecyphora valdeziana Mřller, Deutsche Gärtner-Zeitung, 45: 179, 1930.( Basionym)
  • Echinocactus valdezianus Boed., M.d. DKG, 2:147, 1930.
  • Thelocactus valdezianus Bravo, Las Cactaceas de Mexico, s. 473, 1937.
  • Mammillaria valdeziana Kelsey&Dayton, Stand. Pl. Names, ed. 2, s. 75, 1942
  • Gymnocactus valdezianus Backbg., Das Kakteenlexikon, s. 162, 1966.
  • Normanbokea valdeziana (Moeller) Kladiwa & Buxbaum,in Krainz, Die Kakteen, 1.3., С VIII b, 1969.
  • Pediocactus valdezianus (Moeller) Halda
  • Pelecyphora plumosa Boed.&Ritter, M.d. DKG, 2:116, 1930.
  • Neolloydia valdeziana.

 

 



The smooth flower buds just  a few days before blooming.

 

Cultivation: It’s a fairly easy species to cultivate, but very slow growing. It needs a very well-drained soil, and requires strong sun to part sun where it obtains a flat natural look. Waterings should be rather infrequent to keep the plant compact, and avoid its becoming excessively elongated and unnatural in appearance. Furthermore it has a tap root, and watering it properly is often difficult, because it tends to crack open or rot if over-watered. Keep dry in winter, or when night temperatures remain below 10° C. It is hardy to -4°C for a short period.  Assure a good ventilation.

Reproduction: From seed, since the plant rarely produces plantlets, or grafted.



Photo of conspecific taxa, varieties, forms and cultivars of Turbinicarpus valdezianus:

 


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This old page has been moved! Click the link next on the right to enter the new Enciclopedia of Cacti. We hope you find this new site informative and useful.

The Encyclopedia of Cacti