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  Notocactus roseoluteus forma mostruosa
(Syn: Parodia roseolutea forma mostruosa)
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Notocactus roseoluteus forma mostruosa
 

Description: Notocactus roseoluteus is  is a large growing plant, usually solitary or slowly branching from the base with beautiful flowers.
The monstrous form (described in this page) differs from the standard plant only for the ribs that are often fused and strangely tangled among themselves.
Growth Habits: Solitary ball cactus to 25 cm in diameter.
Stem:
Spherical-flattened that can became shortly cylindrical when old, with a shiny coppery-green with a depressed crown covered in white wool.
Ribs:
About 18-22 well defined and spiraling with prominent, rounded tubercles with chinlike protrusion.
Areoles:
Deeply seated within a depression between the chins, woolly that become bare when older.
Radial spines:
8-11 thin, flexible and acicular , needlelike, usually less than 10 mm long. whitish with a brownish-red tip.
Central spines: Stouter up to 20-mm long, subulated, brown-reddish, grayish when old.
Flowers:
Apical,  particularly large, bell-shaped, glossy, pink in shades of salmon with yellow centres, up to 8 cm in diameter.
Blooming season:
July through September.
Fruits: Globose, elongating at maturity, thin walled.
Remarks:
This plant seems to incorporate some of the features of both N. herteri and N. mammulosus. Both flower colour and spination seem to be midway between the two species. The plant can ultimately reach the size of Notocactus herteri but it flowers at a much smaller size and withstands some winter coldness.
 

.It is a very pretty plant with spectacular bicoloured salmon-pink silky petals with a yellow centre which shares features both of Notocactus herteri and Notocactus mammulosus

 


Cultivation: Suitable for the home or a greenhouse, During winter's rest period they should be dry and cool, it is frost resistant to -4°C but  thrives best with additional heat,  they like only a short winter's rest. If the soil is allowed to be dry for too long root loss could follow but equally the same result would occur if the plants are both wet and cold, rot easily if the substrate is wet and cold. Prefers filtered bright light with ample airflow. Will enjoy regular water in summer. Best if watered with rain water, an acid compost and iron feed help to delay the onset of basal corking. A well grown plant is a fresh glossy grass- green, contrasting with reddish spines.

Propagation:  Usually by seeds as it seldom produces offsets.

Family: Cactaceae (Cactus Family)

Conservation status: Listed in CITES Appendix II

Scientific name: Notocactus roseoluteus Vliet 1973
In: Succulenta 52 (6): 108-113
 

Type: Holotype D.J. van Vliet DV75/3 (Brazil-Uruguay),Tranqueras, Departamento Rivera, Uruguay,  Herbarium of the Staatsuniversität Utracht/NL.

Origin This species is  limited in a small area between Brazil and Uruguay.

Conservation status: Listed in CITES appendix 2.

Common English Names include: Pink-yellow Ball Cactus

Etymology: The name "Notocactus" comes from the Greek "Noto" south and "Cactus" thistle. "Roseo" is Latin for pink and "Luteus" means yellow.

Notes:
This
plant  has been Transferred to Parodia in 1997 by David Hunt.

Synonyms:  
  • Parodia mammulosa (Werdermann) N. P. Taylor 1987
  • Notocactus herteri var. roseoluteus (Vliet 1973) N.Gerloff & Neduchal
    In:   Internoto 25 (2): 60 (2004)
  • Notocactus cupreatus/luteoroseus n.n.

Comment: Notocactus roseoluteus was known by the provisional name Notocactus cupreatus.


 

 




 

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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