Characteristics
A yam. It keeps growing from year to year by sprouting from tubers. It is softly hairy. The stems have raised spots but not thorns. The stems twine to the right. There are 1-2 tubers each year. The tubers are 2 m deep in the soil on long stalks. The tubers are 8 cm across. The skin colour is orange. The flesh is yellow and fibrous. It has large bulbils. The leaves are usually alternate. The leaf stalk is as long as the blade. The blade is oval or heart shaped and 12-24 cm long by 9-20 cm wide. The lower leaf surface is always hairy. The male flowering stalks occur as 1-2 together and are 18 cm long. The female flowering stalks are 15 cm long and have 40 flowers. The capsules have wings.
| Life form |
annual
|
| Growth form |
herb
|
| Growth support |
climber
|
| Foliage retention |
-
|
| Sexuality |
dioecy
|
| Pollination |
-
|
| Spread |
-
|
| Mature width (meter) |
-
|
| Mature height (meter) |
-
|
| Root system |
-
|
| Rooting depth (meter) |
-
|
| Root diameter (meter) |
-
|
| Flower color |
-
|
| Blooming months |
-
|
| Fruit color |
-
|
| Fruiting months |
-
|
| Nitrogen fixer |
-
|
| Photosynthetic pathway |
-
|
Environment
| Light |
-
|
| Soil humidity |
-
|
| Soil texture |
-
|
| Soil acidity |
-
|
| Soil nutriment |
-
|
| Hardiness (USDA) |
|
Usage
The tubers are boiled with salt.
Cultivation
Plants can be grown from seeds, bulbils and tibers.
| Mode |
seedlings
|
| Germination duration (days) |
21 - 36
|
| Germination temperacture (C°) |
21 - 23
|
| Germination luminosity |
-
|
| Germination treatment |
-
|
| Minimum temperature (C°) |
-
|
| Optimum temperature (C°) |
-
|
| Size |
-
|
| Vigor |
-
|
| Productivity |
-
|
Home