The "office time plant," also known as Portulaca grandiflora, is a succulent annual characterized by its vibrant, rose-like flowers and fleshy, moss-like foliage. It's a low-maintenance plant that thrives in full sun and well-drained soil, making it ideal for borders, rock gardens, and containers. The flowers, which come in a variety of colors like red, orange, yellow, and white, typically bloom during the warmer months, from summer to frost. 

Here's a more detailed description:

Appearance: It's a low growing, spreading plant, reaching about 6-8 inches in height and spreading up to 12 inches or more. The leaves are thick and fleshy, and the flowers, which can be single, semi-double, or double, are about 3-5cm in diameter. 

Flowers: The flowers are known for their vibrant colors and resemblance to roses. They typically open in the morning and close in the late afternoon or on cloudy days. 

Growth: It's a fast-growing plant, especially when cultivated properly. 

Light and Soil: Portulaca thrives in full sun and well-draining soil, including sandy soil. 

Watering: Once established, it's drought-tolerant and requires minimal watering. 

Other Names: It's also known as Moss Rose, Purslane, or Sun Plant. 

Hardiness: It's a hardy plant, able to tolerate high heat and drought conditions. 

Propagation: It can be easily propagated from seeds or stem cuttings.