Xerophyte

Central Spines

1 robust, about 1.5 cm long, strongly pointing upward, violet-gray.

Note

Echinocactus warnockiiSN|32472]]SN|32472]]

Flowers

About 2.5 cm long and 2 cm in diameter, whitish to creamy, with a faint pale pink midstripe on each petal and a greenish centre. The pale flowers appear most heavily in late winter and early spring.

Ribs

13, divided into nipple-shaped tubercles, closely adjacent to each other, tubercles spiralling, up to 1 cm long.

Stem

Spherical, slightly columnar, about 8 cm tall and 5.5 cm in diameter, pale grey-green, with spines interlaced above the apex.

Radial Spines

10-14 up to 2.5 cm long, needle-like, interlacing, horn coloured with violet-gray tips.

Areoles

Up to 2 cm long, oblong-rounded, with gray-brown felt, later glabrous.