Air Yam

Dioscorea bulbifera

Also known as: Dioscorea latifolia

Native to:
Andaman Is., Angola, Australia, Bangladesh, Benin, Borneo, Burkina, Burundi, Cambodia, Cameroon, Caprivi Strip, Caroline Is., Central African Republic, Chad, China, Christmas I., Congo, DR Congo, Eritrea, Ethiopia, Gabon, Ghana, Guam, Guinea, Guinea-Bissau, Gulf of Guinea Is., Hainan, India, Ivory Coast, Japan, Jawa, Kenya, Korea, Laccadive Is., Laos, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Mozambique, Myanmar, Nansei-shoto, Nepal, New Guinea, Nigeria, Pakistan, Palau, Philippines, Rwanda, Senegal, Sierra Leone, Sri Lanka, Sudan-South Sudan, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Togo, Uganda, Vanuatu, Vietnam, Zambia, Zimbabwe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Dioscoreaceae
Genus:
Dioscorea
Species:
Dioscorea bulbifera
USDA Symbol:
DIBU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
2000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
white, cream

Reported Fauna Sightings

Moths:Nessus hawk moth (Theretra nessus)

Garden & Ecology Notes

Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to tropical and subtropical regions

Propagation & Germination

Notes:
Reproduces primarily via aerial bulbils rather than seeds; bulbils sprout readily without pretreatment.

The above propagation data sourced from Claude AI