Tulips

Question

We have tulips in our garden, of which have multiple flowers on one stem. Some have as many as 6 flowers to a stem. They are pink with a yellow middle. They were here when we moved into the house 4 years ago and come up every year.

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Answer 1

These are a type of multi-flowering tulip. I am not sure what the exact variety is, but here is more about these plants:
https://www.gardeningknowhow.com/ornamental/bulbs/tulips/multi-headed-tulip-flowers.htm