The Oyster plant, scientifically known as Tradescantia spathacea, is a popular houseplant and ornamental plant known for its distinctive foliage and ease of care. It features clumping, broad, evergreen leaves with vibrant purple and green hues. 

Here's a more detailed description:

Appearance:

Foliage:

The plant grows in a dense rosette, with linear or lance-shaped, waxy, sword-like leaves. The leaves are typically dark green on top and deep purple or maroon on the underside. 

Size:

It typically grows to a height of 6 inches to 1 foot and a width of 1 to 2 feet. 

Flowers:

While not its primary attraction, it occasionally produces small, white, three-petaled flowers in clusters. 

Growth Habit:

Clumping: The plant forms a clumping habit, with new stems emerging from the base.

Groundcover: In warmer climates (zones 9 and higher), it can be used as a groundcover, forming a dense mat. 

Care:

Light: Prefers bright, indirect light but can tolerate some direct sunlight. 

Water: Allow the top 1-2 inches of soil to dry out between waterings. Reduce watering during the winter months. 

Humidity: Can tolerate lower humidity, but prefers slightly humid environments. 

Propagation: Easy to propagate by seed, division, or stem cuttings. 

Other Names:

Moses in the Cradle and Boat lily. 

Note: While the oyster plant is generally easy to care for, it can be toxic to pets if ingested.