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Giant swamp taro is the largest of the root crop plants known collectively as Taro, which are cultivated throughout Southeast Asia and the Pacific. Although outwardly similar to Colocasia esculenta, the most widely cultivated taro, it belongs to a different genus. The plant may reach heights of 4–6 metres, with leaves and roots much larger ...
This taro plant has saponin-like substances that cause a hot, itchy feeling in the mouth and throat. Northern farmers used to plant them to cook the stems and leaves to feed their hogs. They re-grew quickly from their roots. After cooking, the saponin in the soup of taro stems and leaves is reduced to a level the hogs can eat. Today this ...
Both plants are often collectively named Cocoyam. [4] Common names for X. sagittifolium include tannia, new cocoyam, arrowleaf elephant's ear, American taro, yautía, malanga, [5] [6] and uncucha. [7] Cultivars with purple stems or leaves are also variously called blue taro, purplestem taro, purplestem tannia, and purple elephant's ear. [8] [9]
The typical Xanthosoma plant has a growing cycle of 9 to 11 months, during which time it produces a large stem called a corm, this surrounded by smaller edible cormels about the size of potatoes. These cormels (like the corm) are rich in starch. Their taste has been described as earthy and nutty, and they are a common ingredient in soups and stews.
It resembles the different growth processes for a leaf, a stem, etc. On top of the gradual growth of the plant, the image reveals the true meaning of phototropism and cell elongation, meaning the light energy from the sun is causing the growing plant to bend towards the light aka elongate. Plant growth and development are mediated by specific ...
Colocasia leaves are well known for their hydrophobicity. The edible types are grown in the South Pacific and eaten like potatoes and known as taro, eddoe, and dasheen. The leaves are often boiled with coconut milk to make a soup. Poi, a Hawaiian dish, is made by boiling the starchy underground stem of the plant then mashing it into a paste. [14]
Cocoyams that are cultivated as food crops belong to either the genus Colocasia or the genus Xanthosoma and are generally composed of a large spherical corm (swollen underground storage stem), from which a few large leaves emerge. The petioles of the leaves (leaf stems) stand erect and can reach lengths in excess of one metre (three feet).
The plants derive water from the freshwater lens found a few meters below the atoll. [9] For this reason the cultivation of pulaka is threatened by rising sea levels caused by global warming: the plant does not thrive in the salt water which seeps into the pits: [7] it rots the roots, turns the leaves yellow, and stunts the plant's growth. [6]