Cistanthe

Cistanthe is a genus of flowering plants in the family Apocynaceae, native to South America. The genus was first described by Carl Ludwig Willdenow in 1805. It is characterized by its small, fragrant flowers and is often used in horticulture for its ornamental value. Cistanthe species are typically found in tropical and subtropical regions, thriving in well-drained soil and partial shade.

The most well-known species in the genus is Cistanthe pubescens, commonly known as the "sweet potato vine." This species is valued for its edible tubers, which are similar to sweet potatoes in taste and texture. The plant is also used in traditional medicine for its potential health benefits, including anti-inflammatory and antimicrobial properties.

Cistanthe plants are generally easy to care for and can be grown from seeds or cuttings. They are often cultivated in gardens and as houseplants due to their attractive foliage and flowers. The genus includes around 15 species, each with its unique characteristics and cultivation requirements.

In summary, Cistanthe is a genus of flowering plants known for their fragrant flowers and ornamental value. The most notable species, Cistanthe pubescens, is valued for its edible tubers and traditional medicinal uses. The genus is widely cultivated in gardens and as houseplants, making it a popular choice for horticulturists.