Congea tementosa is a species of flowering plant in the family Lamiaceae. It is commonly known as the Chinese Lilac Vine or Purple Chinese Fever Vine. The plant is native to Southeast Asia, specifically found in countries like China, India, Myanmar, Thailand, and Vietnam.

Congea tementosa is a woody vine that can reach heights of up to 6 meters (20 feet). It has attractive, heart-shaped leaves that are green in color. The plant produces clusters of beautiful, fragrant flowers that are typically purple, although variations in color, such as pink or white, can also occur. The flowers are tubular in shape and arranged in large, showy panicles.

This plant is often cultivated as an ornamental vine in tropical and subtropical regions for its striking flowers and foliage. It is suitable for growing in warm climates and is often trained on fences, trellises, or arbors. Congea tementosa prefers well-draining soil and can tolerate a range of light conditions from full sun to partial shade.

In terms of care, Congea tementosa generally requires regular watering to keep the soil moist but not waterlogged. Pruning can be done to control its growth and shape. It is also advisable to provide support for the vine to climb and attach itself.