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 scopa (Sprengel) A. Berger (1929)
 
Highslide JS
  Highslide JS   Highslide JS
         

Habitat

Brazil
Rio Grande do Sul
Paraguay, Uruguay

Description

broom like (spined) Notocactus
globular, later cylindrical, 9.8 in (25 cm) high and more, to 3.9 in (10 cm) Ø, fresh green
ribs 30–35, slightly humped
areoles in 5–8 mm distant
to 40 radial spines, to 7 mm long, thin, white and covers the surface
3–4 central spines, stronger, brownish red, frequently also whiteish
flowers to 1.6 in (4 cm) Ø, canary-yellow, flower tube brown wooly and black bristled
stigma red
fruits globular, tearing open
seeds numerous, dull black

Flowering time

June–July in cultivation
3–4 years from seed
Synonyms Cactus scopa Sprengel (1825)
Echinocactus scopa
(Sprengel) Link & Otto (1828)
Cereus scopa
(Sprengel) De Candolle (1831)
Malacocarpus scopa
(Sprengel) Britton & Rose(1922) (incorrect name)
Parodia scopa
(Sprengel) N. P. Taylor (1987)
Peronocactus scopa
(Sprengel) Doweld (1999) (incorrect name)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

www.Kakteensammlung-Holzheu.de