Scientific name: Discocactus
horstii Buining & Brederoo
Krainz Die Kakteen C VI f-1/1973
North-west of Grao Mogol in the Serra do
Barrao in Minas Gerais, Brazil at an altitude of about 1000m. The soil
consists of quartzide-sand and gravel.
Conservation status: Listed in
CITES appendix 1.
globose cactus with a radially segmented body, ca. 5-8 cm in diameter.
Plant height with cephalium 4 to 5 cm; ribs 12 to 20 prominent with 12
to 14 areoles per rib on plants with cephalium The colour of the
epidermis is green and yellow. Radial spines 8 to10 light coloured
recurved backwards in a comb like arrangement, 2-4 mm long.
Flowers: The deliciously
fragrant nocturnal blooms are 7.5 cm long, 6 cm inches in diameter .
They come in profusion in summer, out of a
cephalium covered by whitish to light brown wool and bristles. Fruit