How do you grow Dioscorea bulbifera?

Dioscorea bulbifera

  1. Full sun to partial shade.
  2. Occasional watering.
  3. Frost Hardy: 23F (-5°C)
  4. Moist and free draining.

Are air potato plants invasive?

Air potato is an invasive vine in Florida, consisting of large, green, heart- shaped leaves. It can quickly grow 60-70 feet in length, which is long enough to blanket even the tallest trees like those found in hardwood ham- mocks.

How fast does air potato grow?

It can grow very quickly (up to 8 inches per day). Typically, it climbs to the tops of trees and has a tendency to block the sunlight reaching native plants and suffocate them.

Can you eat Dioscorea bulbifera?

Summary. Dioscorea bulbifera or commonly known as Aerial Yam is a perennial, non-spiny, climbing plant up to 10 m long. It has a woody, tuberous rootstock and heart-shaped broad leaves. The twining stems produce aerial axillary bulbils that are edible.

What is the common name of Dioscorea bulbifera?

Air yam
Air yam (Dioscorea bulbifera)

Common Name: Air yam
Family: Dioscoreaceae (Yam)
Duration: Perennial
Habit: Herbs
USDA Symbol: DIBU

How do you get rid of Dioscorea bulbifera?

What You Can Do

  1. Remove vines and underground tubers by hand.
  2. For larger infestations, cut vines at the base to keep them from smothering other vegetation.
  3. Another option is to cut the vine just above the ground level and spray it with herbicide.
  4. Plant native plant species instead (visit FloridaYards.org to learn more).

How toxic are air potatoes?

The air potato might be a type of wild yam, but that doesn’t mean you can eat the tubers of the wild, uncultivated plant. They contain steroidal saponins, powerful constituents that are used to synthesize cortisone and human sex hormones in laboratories. Eaten raw or even cooked, the tubers could be poisonous.

Is dioscorea poisonous?

Wild yams make a significant contribution to diets of tribal people in Nepal. However, these wild tubers are unpalatable, taste bitter, produce inflammation and show occasional toxicity.

How does air potato spread?

Air potato spreads primarily by vegetative reproduction, and rarely flowers in temperate climates. However, flowering has been observed in some infestations in Florida (Photo by W. A. Overholt). Small infestations of air potato can be removed mechanically by hand, and this is often a community effort.

Why are air potatoes invasive?

The air potato plant (Dioscorea bulbifera) is an exotic vine from Asia that was introduced to Florida about 115 years ago to make medicine. After escaping from the lab, it multiplied and smothered native plant communities in all of Florida’s 67 counties.