 Ferocactus glaucescens has distinctive short straight gold spines with no hooks. F. glaucescens can grow singular or form a clump of many barrels. |
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 Ferocactus hamatacanthus was formally named Hamatocactus hamatacanthus. Being a very cold hardy cactus, itis one of the smaller ferocactus, with a maximum height of 2 feet. |
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