Desription: E. lindsayi is an heavily
spined cactus with usually a solitary stem, but sometime it branches
forming clumps with several stems. The spines are very
robust and long almost obscuring the stem.
Stem: Up to 13 cm tall and 10 cm in diameter. Spherical to
cylindrical, grey-green to green.
Central spines: Usually
4 (but sometime up to 7) strong,
round in cross section, 1,5 to 10 cm long usually curved, bright red
when young later dark grey to brown.
Radial spines: 8 to 14
shorter, spreading, whitish 0,8 to 4,5 cm long.
Flowers: 6-10 cm long, 4-9,5 cm broad, arising laterally near the
apex, funnel-shaped, pink, bright purple to dark magenta with an orange
to deep-red contrasting throat. Sigma green.
Blooming season: May.