Baby Rubber Plant is a low-growing perennial native to tropical America and commonly kept as a houseplant in the United States. The leaves are thick and glossy with rounded tips, and tiny flowers grow along slender upright spikes.
Both have thick, glossy leaves. Baby Rubber Plant has broad, spoon shaped leaves with rounded tips, while P. clusiifolia has longer elliptical leaves. Red leaf edges alone are not a sure test.