This palm showed up in my side yard two summers ago as a single, small, fan shaped frond. Curious about what it would become, I let it grow, and by last summer, it was about knee high. Now it is about hip high (over 3 feet tall). It does not have a trunk (see photo of base). The new fronds grow out from the center. To me it looks like the kind of palms I have grown as house plants in the past, but the fronds of this outdoor plant seem a little more stiff and have sharp tips.

Does anyone know what this is? I am interested in knowing how large it will grow. At the moment, it is growing at the edge of a narrow path, so I need to move it. If it will become a large tree, I have no place for it. If it can be grown in a large pot, I will find a place for it.

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