May 18, 2013

Uebelmannia pectinifera

The info below is from desert-tropicals.com .

Recommended Temperature Zone:



USDA:

10b-12
 
Frost Tolerance: Keep above 40°F (4°C) in winter, avoid any frost

Minimum Avg. Temperature: 60°F (15°C)

Heat Tolerance: Keep cool in summer

Sun Exposure: Full sun, possibly afternoon shade in summer in very hot climates

Origin: Brazil (mountain of Minas Gerais)

Growth Habits: Solitary cactus, 4 to 6 inches wide (10-15 cm), 20 inches tall (50 cm); 15 to 18 prominent ribs; close set areoles; 1 to 4 central spines, up to 0.6 inch long (1.5 cm), in the classical look, the spines are straight and give a comb-like effect.

Watering Needs: Regular water. Root prone if kept cold in winter, sometimes grafted to eliminate this problem. Enjoys humid air.

Propagation: Seeds

When I got this plant it had more of a purple colour but as you can see not so purple anymore. It was a lot smaller then.
It is also a grafted plant but don't know what it is grafted on.
It can take more cold then what desert-tropicals.com said it can take.

This info comes from
 http://www.cactus-art.biz/schede/UEBELMANNIA/Uebelmannia_pectinifera/Uebelmannia_pectinifera/Uebelmannia_pectinifera.htm

It has three recognized subspecies, but a multitude of different forms exist, where each form is linked to others by populations of plants with intermediate characteristics.
  1. subsp. pectinifera: It has about 18 ribs and slowly grow up to 50 cm in height. Origin: It comes from the mountains in the higher part of the areal.
  2.  
  3. subsp. flavispina: It has up to 29 ribs and can grow about 35 cm tall. Origin: west of Diamantina.
  4.  
  5. subsp. horrida: Stem with more than 23 ribs (up to 40) it is the taller of the three and can reach 1 m of height. Origin: Serra do Espihaço.

 My plant only has 14 ribs. What does that mean?





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