Notocactus (K. Schumann) Frič (1928)

(Brasiliparodia, Malacocarpus, Wigginsia)
(greek notos = southern; latin cactus = cactus, thistle)
cactus of the south
Notocactus got its name because of its origin far distant in the south, inside of the older genus Echinocactus

globular, medium sized, partly short columnar; spines variabel, thin or broad, multi-colored or single-colored
flowers large, numerous, usually yellow with red stigma, also reddish, orange or with yellow stigma
fruits fleshy, at ripeness also thin-walled and slackly

Highslide JS
 

Distribution

lowlands of Argentinia, Uruguay, Brazil, Paraguay
steppes and mountains

Growth period

warm, sunny and somewhat airy with cooling down in the night
prevent full sun for slightly spined species
a location outside of the greenhouse is temporarly possible
constant moisture and humidity during the growth period
permanent wetness is to prevent

Winter period

bright but not too cold at about 46–53F (8–12°C) not complete dry
some species of this genus require a warmer winter rest not colder than 53F (12°C)
(e.g. Notocactus mueller-melchersii)

Substrat

the soil should be nutritious humus-rich and permeable to water
addition of coarse gravel, sand, loam and turf
   
Notocactus uebelmannianus Buining (1978)
 
Highslide JS
  Highslide JS   Highslide JS
         

Field number

HU78 - collected by Leopold Horst

Habitat

Brazil
Rio Grande do Sul - Cacapava do Sul, Guaritas

Description

named after Werner Uebelmann
flat globular, 4.7 in (12 cm) high, to 6.7 in (17 cm) Ø, shiny dark green, non or rarely clumping
ribs 16, round, humpy, humps chin-shaped extended
areoles in ca. 1 in (2.5 cm) distance, initially white wooly later bare,
below the areoles are small cross furrows
spines usually dense to the surface
ca. 6–8 radial spines, 0.4–1.2 in (1–3 cm) long, partly downward bended,
some shorter bent upward, dissimilar together interwoven, white to whiteish gray
central spine not distinct visible or absent
flowers closed 1.8 in (4.5 cm) long, to 2 in (5 cm) Ø opened, noticeable shiny ruby to dark magenta,
petals ca. 0.8 in (2 cm) long, to 4 mm wide, pointed, tube brown wooly,
pistil whiteish, to the top also reddish, stigma red
fruits when ripe shiny red
seeds small

Flowering time

June in cultivation
3–4 years from seed
Synonyms Parodia werneri Hofacker (1998)
Ritterocactus uebelmannianus
(Buining) Doweld (1999)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

www.Kakteensammlung-Holzheu.de