Gymnocalycium ferox
Kaktusy (Brno) 20(4): 80. 1984 nom. inval. basionym not validly published
Family
Cactaceae
Genus
Species
Gymnocalycium ferox
Author
(Backeb.) Slaba
Chinese genus
裸萼球属
Chinese name
-
Accepted
DescriptionEdit description
Habit
Solitary, strongly armed cactus.
Central Spines
1(-2), up to 20 or more mm long.
Description
Gymnocalycium feroxSN|11483]]SN|11489]] is a local or morphological form of Gymnocalycium castellanosiiSN|11465]]SN|11483]] that, as the name states, is a robust, ferocious, cactus species characterized by thick spines.
Note
The taxonomy of this species is not clear. The description has been invalidated. Gymnocalycium feroxSN|15762]]SN|11489]] (Backeberg) Slaba nom. inval. (Art. 41. 3b), Kaktusy 20(4)
Flowers
Bell-shaped or funnelform, up to 4,5 cm in diameter, white to very light pink with a pink or reddish throat.
Spines
Subulate, stout, thick and curving, yellowish or amber-coloured with darker tips, becoming grey with age.
Ribs
Deeply notched, with prominent, chin-like tubercles.
Stem
Dark green, depressed globose, up to 13 cm in diameter, 6-7 cm tall.
Radial Spines
7-11, unequal, up to 22 mm or more long.