在种类繁多、形态奇特的仙人掌世界里,强刺球属Ferocactus,以其颇大的球径、粗大锐利的硬刺而被誉为威猛雄健的一族。天城Ferocactus macrodiscus var.decolor,体球圆大端正,好栽培、易开花,成为对喜好者有较强吸引力的品种,因而栽培比较普遍。天城为赤城带黄刺的变种,原产于墨西哥。植株单生,形态与同属其他品种差异较大,球体很扁,体色 In a wide variety of exotic cacti shapes, Ferocactus is known as a mighty, robust player with its large diameter and sharp, sharp thorns. Amagi Ferocactus macrodiscus var.decolor, big round body ball is good, good cultivation, easy flowering, become a strong attraction for those who like the species, which is more common cultivation. Amagi Castle City with yellow thorn variant, native to Mexico. Plant solitary, morphological differences with other species belong to the larger, the ball is very flat, body color