Opuntia invicta

Opuntia invictaNative to Central Baja California, Mexico, Grusonia invicta (Corynopuntia invicta) is a mat forming cactus that grows approximately 20 50 cm high and up to 2m across (or more) with stout stems and very broad formidable spines. Stems: Jointed, deep green ascending or spreading. Segments obovoid to club shaped, up to 12 cm long. Strongly tuberculate Tubercles: Large, flattened laterally, 3 4 cm long Areoles: Large up to 1,5 cm in diameter with white

Native to Central Baja California, Mexico, Grusonia invicta (Corynopuntia invicta) is a mat forming cactus that grows approximately 20-50 cm high and up to 2m across (or more) with stout stems and very broad formidable spines.

Stems: Jointed, deep green ascending or spreading. Segments obovoid to club-shaped, up to 12 cm long. Strongly tuberculate
Tubercles: Large, flattened laterally, 3-4 cm long
Areoles: Large up to 1,5 cm in diameter with white wool
Glochids: Few white up to 4 mm long
Leaves: Linear, slightly curved, reddish and ephemeral, 8-14 mm long
Spines: Thick, sharp-pointed, straight and strongly flattened, that look like little daggers, 1-5 cm long, and are at first reddish or purple with bright carmine-red base, turning greyish-white and finally black.
Radial spines: 6-10
Central spines: 10-12 much stouter than the radials
Flowers: Yellow up to 5 cm in diameter, with a magnificent form. Tepals ovate-acuminate. Ovary almost hidden by numerous reddish acicular spines
Blooming season: April to May
Seeds: Yellowish, 2 mm broad