Thelocactus viereckii
Cact. Mexico [H.bravo] 476. 1937 n. n. [et Borg in Cacti 284 (1937)]
Family
Cactaceae
Genus
Species
Thelocactus viereckii
Author
(Werderm.) Bravo
Chinese genus
瘤玉属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Habit
Usually solitary, occasionally clustering.
Central Spines
3 to 5 white with black tips in a cross like formation, 2-4 cm long.
Description
Turbinicarpus viereckiiSN|14959]]SN|14959]], more often known with its old name Gymnocactus viereckiiSN|14962]]SN|14962]], is an attractive dwarf cactus covered with characteristic glassy white and black spines with bright magenta flowers.
Roots
Swollen bundled.
Tubercles
6 mm long rhomboidal conical.
Flowers
Bright magenta or pink with greenish-white throat and darker mid-ribs, 1.5-2.5 cm long, 12-20 mm broad.
Ribs
15 to 18 ribs divided in tubercles.
Stem
Dull green, globose to slightly cylindrical 3-5 (-12cm) tall, 3-5(-7) cm in diameter apex with abundant white wool.
Radial Spines
17 to 22 rigid white translucent, some with brown tips, 0.8-1.3 cm long.
Fruits
Greenish-brown.