Which plant is recognized as the rubber plant?

The rubber plant is scientifically known as Ficus elastica. This plant is part of the Moraceae family and is renowned for its large, glossy leaves and ability to thrive in indoor environments. Ficus elastica was historically significant due to the latex it produces, which can be processed into rubber, hence the name. The plant is also popular in decorative horticulture, not only for its aesthetic appeal but also for its air-purifying qualities.

In contrast, Aglaonema, Aspidistra elatior, and Spathiphyllum do not share the same characteristics or functions as the rubber plant. Aglaonema is commonly referred to as Chinese evergreen and is appreciated for its attractive foliage and ease of care. Aspidistra elatior, known as the cast iron plant, is celebrated for its hardiness but does not produce latex or rubber. Spathiphyllum, or peace lily, is known for its beautiful white flowers and is also popular as an indoor plant but lacks the rubber-producing capacity that defines Ficus elastica. Therefore, Ficus elastica stands out as the correct identification for the rubber plant due to its historical significance, botanical characteristics, and popular usage.