Name This Plant
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From the photographs, it looks like a Zamioculcas sp. (ZZ plant/Aroid Palm).
ZZ plants are generally very slow-growing. In some cases, inefficient light (too much/too little) or improper watering (too much /too little) can further stress the plant, resulting in slower growth as well. In this case, the plant appears to be healthy.
You can learn more about them here:
Just be aware, if you have pets/small children: this plant is toxic if ingested.