A friend posted a photo of her plant that she called a dragon tail on Facebook. I have two of these but didn't know what

they were. So, I Googled dragon tail but the images I found were the second photo below. My plant that looks like my friend's has never bloomed. What IS this blooming one?
a friend posted a photo of her plant that she called a dragon tail on facebook i, gardening
a friend posted a photo of her plant that she called a dragon tail on facebook i, gardening
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