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Colocasia esculenta

Colocasia esculenta
Songe-Réunion.JPG
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Alismatales
Family: Araceae
Subfamily: Aroideae
Tribe: Colocasiodeae
Genus: Colocasia
Species: C. esculenta
Binomial name
Colocasia esculenta
(L.) Schott
Synonyms
  • Alocasia dussii Dammer
  • Alocasia illustris W.Bull
  • Aron colocasium (L.) St.-Lag.
  • Arum chinense L.
  • Arum colocasia L.
  • Arum colocasioides Desf.
  • Arum esculentum L.
  • Arum lividum Salisb.
  • Arum nymphaeifolium (Vent.) Roxb.
  • Arum peltatum Lam.
  • Caladium acre R.Br.
  • Caladium colocasia (L.) W.Wight nom. illeg.
  • Caladium colocasioides (Desf.) Brongn.
  • Caladium esculentum (L.) Vent.
  • Caladium glycyrrhizum Fraser
  • Caladium nymphaeifolium Vent.
  • Caladium violaceum Desf.
  • Caladium violaceum Engl.
  • Calla gaby Blanco
  • Calla virosa Roxb.
  • Colocasia acris (R.Br.) Schott
  • Colocasia aegyptiaca Samp.
  • Colocasia colocasia (L.) Huth nom. inval.
  • Colocasia euchlora K.Koch & Linden
  • Colocasia fonstanesii Schott
  • Colocasia gracilis Engl.
  • Colocasia himalensis Royle
  • Colocasia neocaledonica Van Houtte
  • Colocasia nymphaeifolia (Vent.) Kunth
  • Colocasia peltata (Lam.) Samp.
  • Colocasia vera Hassk.
  • Colocasia violacea (Desf.) auct.
  • Colocasia virosa (Roxb.) Kunth
  • Colocasia vulgaris Raf.
  • Leucocasia esculenta (L.) Nakai
  • Steudnera virosa (Roxb.) Prain
  • Zantedeschia virosa (Roxb.) K.Koch

Colocasia esculenta is a tropical plant grown primarily for its edible corms, the root vegetables most commonly known as taro. It is believed to be one of the earliest cultivated plants.Linnaeus originally described two species which are now known as Colocasia esculenta and Colocasia antiquorum of the cultivated plants that are known by many names including eddoes, dasheen, taro, but many later botanists consider them all to be members of a single, very variable species, the correct name for which is Colocasia esculenta.

This plant and its root is generally called taro, but it has different names in different countries like for instance eddoe. In the Philippines, it is usually called Gabi, Abi or Avi.

Rhizomes of different shapes and sizes. Leaves up to 40×24.8 cm, sprouts from rhizome, dark green above and light green beneath, triangular-ovate, sub-rounded and mucronate at apex, tip of the basal lobes rounded or sub-rounded. Petiole 0.8 -1.2 m high. Spathe up to 25 cm long. Spadix about 3/5 as long as the spathe, flowering parts up to 8 mm in diameter. Female portion at the fertile ovaries intermixed with sterile white ones. Neuters above the females, rhomboid or irregular oblong. Male portion above the neuter. Synandrium lobed, cells 6 or 8. Appendage shorter than the male portion.

The specific epithet, , means "edible" in Latin.

Taro is related to Xanthosoma and Caladium, plants commonly grown as ornamentals, and like them it is sometimes loosely called elephant ear.

Taro was probably first native to the lowland wetlands of Malaysia (taloes). Estimates are that taro was in cultivation in wet tropical India before 5000 BC, presumably coming from Malaysia, and from India further transported westward to ancient Egypt, where it was described by Greek and Roman historians as an important crop. In India, it is known as "Gaderi", with smaller ones called "arbi" or "arvi" being more common and popular. In Indonesia, it is called talas or keladi.


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