Characteristics
A yam. It is a robust climber. It can grow 25 m tall. The tubers occur as 2 or 3 together. They are 5-12 cm long by 2-3 cm wide. The stems are 3-7 mm across and twine to the left. The re-grow each year. The leaves are simple and alternate. The leaf blade is broadly oval to sword shaped. There can be bulbils in the axils of the leaves near the ground. The flowers hang down.
| Life form |
annual
|
| Growth form |
herb
|
| Growth support |
climber
|
| Foliage retention |
-
|
| Sexuality |
dioecy
|
| Pollination |
-
|
| Spread |
-
|
| Mature width (meter) |
-
|
| Mature height (meter) |
25.0
|
| Root system |
-
|
| Rooting depth (meter) |
-
|
| Root diameter (meter) |
-
|
| Flower color |
-
|
| Blooming months |
-
|
| Fruit color |
-
|
| Fruiting months |
-
|
| Nitrogen fixer |
-
|
| Photosynthetic pathway |
-
|
Environment
It is a tropical plant. It grows in forests in peninsula Thailand. It is often on limestone and near water. It grows between 20-1,400 m above sea level.
| Light |
-
|
| Soil humidity |
-
|
| Soil texture |
-
|
| Soil acidity |
-
|
| Soil nutriment |
-
|
| Hardiness (USDA) |
-
|
Usage
It is bitter. It needs treatment before eating. Some kinds are simply boiled, peeled and eaten.
Cultivation
| Mode |
-
|
| Germination duration (days) |
21 - 36
|
| Germination temperacture (C°) |
21 - 23
|
| Germination luminosity |
-
|
| Germination treatment |
-
|
| Minimum temperature (C°) |
-
|
| Optimum temperature (C°) |
-
|
| Size |
-
|
| Vigor |
-
|
| Productivity |
-
|
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