Gymnocactus viereckii var. major
Cact. Succ. J. (Los Angeles) 50(6): 285. 1978
Family
Cactaceae
Genus
Species
Gymnocactus viereckii var. major
Author
Glass & R.A.Foster
Chinese genus
裸玉属
Chinese name
-
DescriptionEdit description
Habit
Contrary to the standard Turbinicarpus viereckiiSN|14959]]SN|14959]], which often clusters and forms small group with time, subsp. major usually remains solitary.
Central Spines
3 to 7 white with black tips in a cross like formation, 2-4 cm long.
Description
Turbinicarpus viereckiiSN|14959]]SN|14959]] subsp. major is one of the local or morphological form of Turbinicarpus viereckiiSN|14959]]SN|14959]]. It is an attractive dwarf cactus covered with characteristic glassy white and black spines and whitish wool which is distinguished from the type species for having white flowers instead of purple.
Roots
Swollen bundled.
Tubercles
6 mm long rhomboidal conical.
Flowers
White (sometime with a pink midstripe), 3 cm long, 3,5 mm broad
Ribs
15 to 18 ribs divided in tubercles.
Stem
Dull green or blue-green, globose to slightly cylindrical 4-7(-12) cm tall, 4-7 cm in diameter apex with with very woolly top.
Radial Spines
13 to 16 rigid white translucent, some with brown tips, 0,8-1,3 cm long.
Fruits
Greenish-magenta.