Answer: Ti plants (Cordyline fruticosa) are woody plants, related to Yuccas and Agaves. Their growth habit is to lose the lower leaves, which results in a bare stem like the trunk of a tree. The oldest leaves will wither and fall off on their own but you can certainly cut them off if you'd like. When the stem becomes too tall, you can cut it down to a lower level and the plant will produce a new stem and new leaves. It's not unusual for older Ti plants to have a main stem, along with a few lateral stems, all with foliage on the tops. Hope this clarifies things for you.
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