''Pilea repens'' is a plant which is sometimes cultivated, especially where high humidity can be provided, such as in a

terrarium A terrarium (plural: terraria or terrariums) is usually a sealable glass container containing soil and plants that can be opened for maintenance to access the plants inside; however, terraria can also be open to the atmosphere. Terraria are ofte ...

. It is native to the West Indies and has dark-colored leaves.Pilea repens: Black-Leaf Panamiga
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References

repens {{urticaceae-stub