This is a visual explainer based on the Wikipedia article on Taro. Read the full source article here. (opens in new tab)

Taro: The Ancient Root of Global Sustenance

Exploring the botanical, cultural, and nutritional significance of *Colocasia esculenta*.

Discover Taro 👇 Explore Uses 🍽️

Dive in with Flashcard Learning!


When you are ready...
🎮 Play the Wiki2Web Clarity Challenge Game🎮

What is Taro?

A Versatile Root Vegetable

Taro (*Colocasia esculenta*) is a perennial tropical plant primarily cultivated for its edible, starchy corm. It is one of the most widely grown species within the Araceae family, valued for its corms, leaves, stems, and petioles. Taro serves as a fundamental food staple across African, Oceanic, East Asian, Southeast Asian, and South Asian cultures, often paralleling the importance of yams.

Ancient Origins and Global Reach

Believed to be one of the earliest cultivated plants, taro's origins are traced to the Indomalayan realm, potentially encompassing regions like East India, Nepal, and Bangladesh. Its cultivation spread extensively eastward to Southeast Asia, East Asia, and the Pacific Islands, and westward towards Egypt and the Mediterranean, eventually reaching Africa and the Americas. This vast distribution highlights its historical significance and adaptability.

Caution: Oxalates and Raphides

While highly nutritious, raw taro contains toxic calcium oxalate crystals and needle-shaped raphides. These irritants can cause discomfort if ingested uncooked. Proper cooking, such as boiling or roasting, is essential to neutralize these compounds, rendering the corms palatable and safe for consumption. Steeping in cold water overnight can also help reduce toxicity.

Etymology: Tracing the Name

Ancient Greek Roots

The scientific genus name, *Colocasia*, originates from the Ancient Greek word *kolokasion*, meaning "lotus root." This term evolved through Modern Greek (*kolokasi*) and Latin, reflecting the plant's historical presence and recognition in Mediterranean cultures.

Polynesian Connections

The English name "taro" was adopted from the Māori language, documented by Captain Cook during his 1769 voyage to New Zealand. The term *taro* (or variations like *talo*, *kalo*) is widespread across Polynesian languages, ultimately deriving from Proto-Polynesian *talo and Proto-Oceanic *talos, suggesting ancient Austronesian dispersal routes.

Austronesian Origins and Linguistic Links

Linguistic analysis suggests that the term for taro may have been borrowed from an Austroasiatic language, potentially originating in Borneo. This points to complex migration patterns and the early exchange of agricultural knowledge across Southeast Asia.

Botanical Description

Plant Morphology

Taro is a tropical perennial characterized by its large, arrow-shaped leaves (up to 40x25 cm) that sprout from a central rhizome. The leaves are typically dark green on the upper surface and lighter green underneath. The plant produces a substantial, starchy corm, which is the primary edible part. The inflorescence consists of a spadix surrounded by a spathe, with reproductive parts arranged along its length.

Corm Structure and Growth

The corm serves as the plant's primary storage organ. It can vary in shape and size, often developing lateral buds that sprout smaller cormels (child and grandchild corms). This prolific nature allows for easy propagation. The plant thrives in moist environments, including waterlogged soils and paddy fields, but certain varieties are more drought-resistant.

Distinguishing from Similar Species

Taro is often colloquially referred to as "elephant ear," a nickname shared with other large-leaved tropical aroids like *Alocasia*, *Caladium*, and *Xanthosoma*. While related, *Colocasia esculenta* is distinguished by its specific botanical characteristics and its primary role as a food crop, unlike many ornamental relatives.

Cultivation Practices

Historical Cultivation

Taro is recognized as one of the world's most ancient cultivated crops. Archaeological evidence suggests its exploitation dates back over 10,000 years in regions like New Guinea and Southeast Asia. Its cultivation spread through human migration, becoming a vital food source across diverse geographical areas.

Wetland vs. Upland Farming

Taro cultivation adapts to various conditions, thriving in deep, moist soils and even waterlogged environments typical of paddy fields. Flooded cultivation often yields higher outputs compared to dry-land methods. The crop requires a significant growing period, typically 6 to 15 months depending on the cultivation method and climate.

Breeding and Germplasm

Modern taro breeding programs focus on developing cultivars resistant to diseases like taro leaf blight and improving yield and quality. Maintaining genetic diversity is crucial, necessitating international exchange and conservation of taro germplasm. Research into polyploidy breeding, particularly the creation of triploids, has shown promise for enhanced yields.

Nutritional Profile

Corm Nutritional Value

Cooked taro corms are primarily composed of carbohydrates (approx. 35%), with high moisture content (approx. 64%). They offer a moderate source of dietary fiber and essential vitamins and minerals, notably Vitamin B6, Vitamin E, and manganese. While low in protein and fat, they provide significant energy (142 kcal per 100g).

Leafy Greens: A Nutrient Powerhouse

Taro leaves are remarkably nutrient-dense, offering substantial amounts of vitamins and minerals. They are particularly rich in Vitamin K (over 100% DV per 100g), Vitamin A precursors (beta-carotene, lutein, zeaxanthin), Vitamin B complex, and minerals like calcium, iron, and potassium. They also provide a good source of protein and fiber.

USDA Data Summary

Detailed nutritional information, sourced from the USDA database, provides precise values for macronutrients, vitamins, and minerals in both cooked corms and raw leaves. These tables offer a comprehensive overview for dietary analysis and planning.

Taro, cooked, without salt
Nutritional value per 100 g (3.5 oz)
Energy 594 kJ (142 kcal)
Carbohydrates 34.6 g
Sugars 0.49 g
Dietary fiber 5.1 g
Fat 0.11 g
Protein 0.52 g
Vitamins
Vitamin B6 19%
Vitamin E 20%
Folate (B9) 5%
Minerals
Manganese 21%
Potassium 11%
Phosphorus 6%
Percentages are roughly based on US recommendations for adults.
Link to USDA Database entry
Taro leaves, raw
Nutritional value per 100 g (3.5 oz)
Energy 177 kJ (42 kcal)
Carbohydrates 6.7 g
Sugars 3 g
Dietary fiber 3.7 g
Fat 0.74 g
Protein 5 g
Vitamins
Vitamin A equiv. 27%
Vitamin K 91%
Folate (B9) 32%
Minerals
Manganese 31%
Potassium 22%
Calcium 8%
Percentages are roughly based on US recommendations for adults.
Link to USDA Database entry

Culinary Applications

Global Cuisine Staple

Taro corms and leaves are integral to cuisines worldwide, particularly in tropical and subtropical regions. They are prepared through boiling, roasting, frying, and steaming, often incorporated into savory dishes, soups, stews, and desserts.

Polynesian Traditions

In Polynesia, taro (*kalo* in Hawaiian, *talo* in Samoan/Tongan) is a prestigious staple. Dishes like Hawaiian *poi* (mashed corms), Samoan *fa'ausi* (grated corm dessert), and Fijian *palusami* (taro leaves cooked with coconut milk) showcase its versatility. Taro leaves are also used as edible wrappers for various fillings.

Asian Delicacies

Across Asia, taro features prominently. In China, it's used in dim sum (*taro cake*) and desserts (*taro paste*). Japanese *satoimo* is simmered in dashi and soy sauce. Korean *toran-guk* is a traditional soup. In the Philippines, *gabi* is key to *sinigang* stew and *laing* (taro leaves in coconut milk).

African and South Asian Preparations

In Africa and South Asia, taro is prepared in numerous ways. Indian *arbi* dishes include *Arbi Gosht* (mutton curry) and *patrode* (steamed leaf rolls). Bangladeshi *kochu* is cooked with fish or prawns, and its leaves and stems are popular side dishes. Maldivian *ala* is a staple, often eaten with coconut and chili paste.

Global Nomenclature

A World of Names

Taro is known by a multitude of names across different languages and cultures, reflecting its widespread cultivation and importance. These names often derive from shared linguistic roots or local descriptions of the plant.

Common Names for Taro
Name Language
gabi Tagalog
natong/apay Bikolano[17]
ede Igbo
jimbi Swahili
kókó/lambó Yoruba
kosu (kocu) Assamese
kocu (কচু) Bengali[18]
kacu (কচু) Kamtapuri/Rajbongshi/Rangpuri
kolokasi (Κολοκάσι) Cypriot Greek
kēsava (ಕೇಸವ) Kannada
qulqas (قل) Arabic
kontomire Akan
kiri aṅa (කිරි අඟ) Sinhala
arbi (अरबी) Hindi
arvi (ਅਰਵੀ) Punjabi
arui (अरुई) Bhojpuri
arikanchan (अरिक्ंचन) Maithili[19]
aṅavī (અળવી) Gujarati
āḷū (आळू) Marathi
ala (އަލ) Dhivehi
aba Ilocano
sāru (ସାରୁ) Odia[20]
piṇḍālu (पिँडालु) Nepali
cēppankizhangu (சேப்பங்கிழங்கு) Tamil
cēmpū (ചേമ്പ്) Malayalam
cāmadumpa/cāmagadda (చామదుంప/చామగడ్డ) Telugu
khoai môn Vietnamese
veṇṭī (वेंटी) Konkani
yendem (ꯌꯦꯟꯗꯝ) Meitei/Manipuri
(yù)/芋头 (yùtou) Chinese
里芋 (satoimo) Japanese
(ō͘/ū) or 芋仔 (ō͘-á) Taiwanese Hokkien[21]
vasa Paiwan[22]
tali Amis[23][24]
Chinese tayer Surinamese Dutch
saonjo Malagasy
toran (토란) Korean
tolotolo Bukusu
pheuak, puak (เผือก) Thai
pheuak, puak (ເຜືອກ) Lao
trao (ត្រាវ) Khmer
kheu (ခေウ) S'gaw Karen
nabbiag Ahamb
pweta Wusi
amadumbe Zulu[25]
amateke Kirundi and Kinyarwanda[26]
*b(u,i)aqa, *bweta Proto North-Central-Vanuatu (reconstructed)[27]
*talo(s), *m̥apo(q), *piRaq, *bulaka, *kam̥a, *(b,p)oso Proto Oceanic (reconstructed)[28]

Global Production Landscape

Leading Producers

In 2022, global taro production reached approximately 17.7 million tonnes. Nigeria emerged as the leading producer, accounting for a significant portion of the world's supply. Other major contributors include China, Cameroon, Ghana, and Ethiopia, underscoring taro's importance in African and Asian agriculture.

Crop Yield and Significance

Taro ranks as the fifth largest root and tuber crop globally by production volume. The average yield is around 7 tonnes per hectare. Its cultivation is vital for food security in many tropical regions, providing a reliable carbohydrate source.

Production Distribution

The geographic distribution of taro production spans tropical and subtropical zones worldwide. Major cultivation areas are concentrated in Africa, Asia, and Oceania, reflecting the plant's historical origins and adaptation to these climates.

Taro Production – 2022
Taro production – 2022
Country (Millions of tonnes)
 Nigeria 8.2
 China 1.9
 Cameroon 1.9
 Ghana 1.7
 Ethiopia 1.7
World 17.7
Source: FAOSTAT of the United Nations[63]

Teacher's Corner

Edit and Print this course in the Wiki2Web Teacher Studio

Edit and Print Materials from this study in the wiki2web studio
Click here to open the "Taro" Wiki2Web Studio curriculum kit

Use the free Wiki2web Studio to generate printable flashcards, worksheets, exams, and export your materials as a web page or an interactive game.

True or False?

Test Your Knowledge!

Gamer's Corner

Are you ready for the Wiki2Web Clarity Challenge?

Learn about taro while playing the wiki2web Clarity Challenge game.
Unlock the mystery image and prove your knowledge by earning trophies. This simple game is addictively fun and is a great way to learn!

Play now

Explore More Topics

Discover other topics to study!

                                        

References

References

  1.  natong. Mintz, Malcolm W. Bikol Dictionary. Volume II. Bikol-English Dictionary. Uniprint. Perth, Western Australia. 2004. p. 752 ISBN 0 9580383 5 X.
  2.  Colocasia esculenta. Texasinvasives.org
  3.  Colocasia esculenta, Florida Invasive Plants
  4.  Jennings, D. (2009). Tropical Root and Tuber Crops. Cassava, Sweet Potato, Yams and Aroids. By V. Lebot. Wallingford, UK: CABI (2009), pp. 413. ISBN 978-1-84593-424-8. Experimental Agriculture, 45(3). doi:10.1017/S0014479709007832
  5.  The Cross Name Index to Medicinal Plants, Four-Volume Set By Anthony R. Torkelson. Page Number 1694.
  6.  Robert Trumbull, "In Hawaii, Poi is the Staff of Life", The New York Times, 31 Oct. 1982
A full list of references for this article are available at the Taro Wikipedia page

Feedback & Support

To report an issue with this page, or to find out ways to support the mission, please click here.

Disclaimer

Important Notice

This page was generated by an Artificial Intelligence and is intended for informational and educational purposes only. The content is based on a snapshot of publicly available data from Wikipedia and may not be entirely accurate, complete, or up-to-date.

This is not agricultural, nutritional, or medical advice. The information provided on this website is not a substitute for professional consultation regarding agriculture, diet, or health. Always seek the advice of qualified professionals with any questions you may have regarding specific applications or conditions. Never disregard professional advice because of something you have read on this website.

The creators of this page are not responsible for any errors or omissions, or for any actions taken based on the information provided herein.