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Alocasia is a genus of rhizome or , broad-leaved, Perennial plant, from the family Araceae. There are about 90 accepted species native plant to tropical and subtropical Asia and eastern Australia. Around the world, many growers widely cultivate a range of hybrids and cultivars as ornamentals.
The of some species can be processed to make them edible, however, the raw plants contain raphid or raphide crystals of calcium oxalate along with other irritants (possibly including ) that can numb and swell the tongue and pharynx. This can cause difficulty breathing and sharp pain in the throat. Lower parts of the plant contain the highest concentrations of the poison.
Prolonged boiling before serving or processing may reduce risk of adverse reactions. Additionally, acidic fruit such as tamarind may dissolve the raphides altogether. It's important to note, however, that this genus varies in toxicity, and can still be dangerous to ingest, even after taking precautions.
| Indonesia | ||
| New Guinea | ||
| Sri Lanka | ||
| Malaysia | ||
| Philippines | ||
| New Guinea | ||
| Brunei | ||
| Kalimantan | ||
| Sulawesi | ||
| Malaysia | ||
| New Guinea | ||
| Philippines | ||
| New Guinea | ||
| Australia | ||
| SE Asia | ||
| Sulawesi | ||
| Sarawak | ||
| Philippines | ||
| Southeast Asia | ||
| Philippines | ||
| Borneo | ||
| Indonesia | ||
| Vietnam | ||
| New Guinea | ||
| Cambodia to central Vietnam | ||
| East Himalaya to Bangladesh | ||
| Peninsular Malaysia | ||
| New Guinea | ||
| Java | ||
| India, Indonesia | ||
| Burma | ||
| Indonesia | ||
| Hainan to N. Vietnam | ||
| Bangladesh | ||
| Philippines | ||
| New Guinea | ||
| Thailand | ||
| India, SE Asia, Java | ||
| Borneo | ||
| Sumatra | ||
| Cambodia | ||
| Sumatra | ||
| New Guinea | ||
| New Guinea | ||
| Vietnam | ||
| Yunnan | ||
| Malaysia | ||
| SE Asia, Australia, Pacific | ||
| Philippines | ||
| Sulawesi | ||
| Borneo | ||
| Philippines | ||
| Borneo | ||
| New Guinea | ||
| Himalaya | ||
| Borneo | ||
| New Guinea | ||
| Philippines | ||
| SE Asia, China | ||
| Okinawa | ||
| Borneo | ||
| Borneo | ||
| Malaysia | ||
| New Guinea | ||
| Malaysia | ||
| Borneo | ||
| Java | ||
| Borneo | ||
| New Guinea | ||
| Philippines | ||
| Borneo | ||
| Sabah | ||
| Philippines | ||
| Borneo | ||
| Vietnam | ||
| Borneo | ||
| Bangladesh | ||
| Philippines | ||
| Borneo | ||
| Borneo | ||
| Philippines | ||
| New Guinea | ||
| Philippines | ||
| Sulawesi | ||
| Borneo | ||
| central Vietnam | ||
| New Guinea | ||
| Borneo | ||
| Yunnan | ||
| Philippines | ||
They rarely survive cold winters or the dryness of artificial heating, but an attempt to slowly acclimatize plants from the summer garden to the house can help. Nature Assassin: Overwintering your Alocasia Once inside, the watering period must be reduced and the plants should be protected from spider mites or red spider attack.
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