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


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)


the soil should be nutritious humus-rich and permeable to water
addition of coarse gravel, sand, loam and turf
Notocactus schlosseri van Vliet (1974)
Highslide JS   Highslide JS   Highslide JS


in the east of Department Maldonado - nearby of Garzon


named after Hugo Schlosser
globular, later short cylindrical, to 7.1 in (18 cm) long, 4.3 in (11 cm) Ø, green,
apex recessed, sparingly white wooly
ribs ca. 22, between the areoles chin shaped humped
areoles in 7 mm distant, white wooly felt, later bald
ca. 34 radial spines, ca. 11 mm long, straight, glassy, base and tip light brown
4 central spine, straight, flattened, crosswise, red brown, 1 thereof up to 0.9 in (2.4 cm) long,
upward directed, 1 thereof 0.6 in (1.7 cm) long, downward directed, base black brown, in age gray
flowers 2 in (5 cm) Ø, bell shaped, self sterile, shiny light lemon yellow, outside pink with green scales,
brown wooly, dark brown bristly hairs, petals spatulate
with light green midvein, pistil with 10 dark purple stigmas
seeds black


Parodia erubescens (Osten pro hybr.) D. R. Hunt (1997)
Notocactus erubescens
fa. schlosseri (van Vliet) N. Gerloff & Neduchal (2004)
CITES Appendix II
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.