Native & Naturalized Plants of the Carolinas & Georgia


474

Herbaceous vine
Perennial
Dioecious

Non-native: Africa & Asia
Documented growing wild in GA - -

Uncommon

Look for it in disturbed forests, thickets, and banks, per Weakley's Flora

map
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INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Alabama Invasive Plant Council, 2012
Georgia Exotic Pest Plant Council, 2006
Tennessee Exotic Pest Plant Council, 2009
US Forest Service Southern Research Station

 

LEAVES:
Simple
Alternate

FLOWER:
Spring/Summer
Greenish-white
Unisexual
6 tepals

FRUIT:
Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Dioscoreales

WEAKLEY'S FLORA (11/30/12):
Dioscorea bulbifera   FAMILY Dioscoreaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Dioscorea bulbifera   FAMILY Dioscoreaceae

 

COMMON NAME:
Air Yam, Air Potato


Click or hover over the thumbnails to see larger pictures.

image of Dioscorea bulbifera

Fred Nation, Weeks Bay National Estuarine Research Reserve, Bugwood.org -    bug_9005054

July        

image of Dioscorea bulbifera

James H. Miller, USDA Forest Service, Bugwood.org    bug_9005052

December        

Aerial tubers to 5" (12cm) long, spherical to ovoid, smooth with dimples, per A Field Guide for the Identification of Invasive Plants in Southern Forests.

image of Dioscorea bulbifera

USDA APHIS PPQ - Oxford, North Carolina , USDA APHIS PPQ, Bugwood.org    bug_1148132

Month Unknown        

image of Dioscorea bulbifera

USDA APHIS PPQ - Oxford, North Carolina , USDA APHIS PPQ, Bugwood.org    bug_1148133

Month Unknown        

Leaf blade broadly ovate-cordate, glabrous, entire, apex long-acuminate, per Flora of North America.

image of Dioscorea bulbifera

Karen Brown, University of Florida, Bugwood.org    bug_5344015

Month Unknown        

image of Dioscorea bulbifera

Karen Brown, University of Florida, Bugwood.org    bug_5344015b

Month Unknown        

Flowers rarely, with fragrant spikes to 4" long hanging from leaf axils, per Invasive Plants, Guide to Identification, Impacts and Control.