Dioscorea dodecaneura, Dioscorea discolor

Dioscorea dodecaneura, commonly known as Yam, is a vigorous, evergreen climber and vine that is native to Brazil. This ethnomedical plant is known for its decorative foliage and edible fruits, making it a highly desirable ornamental specimen and useful garden addition. In its native habitat, it can be found in full sun to semi-shaded conditions, generally climbing on trees, shrubs or rocks.

It grows best in rich, moist soil and benefits from regular water, but can tolerate short periods of drought. It can be grown in USDA zones 9-11, but should be protected in the colder months, such as winter and early spring. When grown in a pot, extra care must be taken to protect it from temperatures below freezing.

The leaves of the Dioscorea dodecaneura are a glossy, deep green and it produces pendant racemes of small yellow flowers during spring and summer. These are followed by an abundant crop of yellowish-white, oblong fruits that have a sweet, aromatic flavor. These fruits are edible and they are traditionally used in Brazil as a food source. They are also known to have multiple health benefits, such as being high in antioxidants and vitamins. Each plant can produce up to 30 fruits each year.

Dioscorea dodecaneura is an easy to cultivate plant, with a high ornamental value and edible fruits. It makes a great addition to gardens, and its long-lasting, glossy foliage and fragrant flowers will attract hummingbirds and pollinators. With proper care, it is sure to be a highlight in any landscape.

Similar plants:

• Dioscorea alata (Purple Yam, Winged Yam)
• Dioscorea bulbifera (Air Potato)
• Dioscorea elephantipes, Dioscorea macrostachya, Dioscorea mexicana, Testudinaria elephantipes (Elephant foot, Turtle shell, Hottentot-Bread)
• Dioscorea polystachya, Dioscorea batatas (Chinese Yam, Cinnamon-vine)
• Dioscorea sp. (Yam)