© Valentino Vallicelli
Endangered
CITES App. II
Gymnocactus preenii
(provisional name for Turbinicarpus saueri ssp. nelissae) "preemii"
Family
Cactaceae
Genus
Species
Gymnocactus preenii
Author
(Glass) nov. comb. ined.
Chinese genus
裸玉属
Chinese name
-
Accepted
DescriptionEdit description
Description
Small cactus, usually solitary.
Roots
Tap root.
Tubercles
4-angled, 5 mm long.
Flowers
Funnel shaped, creamy white, with pinkish mid-stripes, 2 cm long. In January-April.
Spines
1 stiff central, grey-coloured, ivory with a black tip, 1-3,5 cm long; 8 to 16 radials, 5-10 mm long.
Stem
Flat, globose, 7-8 cm wide, 6-7 cm tall, but often in cultivation plants develop an elongated shape and grow up to 10 (or more) cm tall.
Fruits
6 mm long, splitting at maturity.
Areoles
Young areoles with white down.