Convolvulus batatas L.
Ipomoea apiculata M. Martens & Galeotti
Convolvulus tiliaceus auct. non Willd.
Ipomoea fastigiata (Roxb.) Sweet
Ipomoea tiliacea auct.non (Willd.) Choisy
Ipomoea triloba auct.non L.
Family: Convolvulaceae - Morning-glory family
Growth Habit: Vine, Forb/herb
Bangla/Vernacular Name: Misti Alu.
Tribal Name: Lyho (Khumi), Ranga Alo (Chakma).
English Name: Sweet Potato.
A prostrate herb with trailing stem and tuberous roots; tubers red, white or rarely yellow. Leaves ovate-cordate, acute angular or more or less lobed.Flowers 1-several in axillary cymes.Corolla funnel-shaped, pale violat.Capsule ovoid, rarely formed.
Leaves are a good source of vitamins B and C. Tubers, particularly mouldy ones, contain lung toxic, hepatotoxic and nephrotoxic 2- and 3-substituted furan terpenes and related compound. Hepatotoxic 3-substituted furan terpenes include ipomeamarone and it derivatives, ipomeamaronol and myoporone. Lung toxic compounds are 1, 4-dioxy-1-(3-furyl) pentanes and 4-ipomeanol (most abundant). Hydrocyanic acid (30mg/100g), oxalic acid (1.0%) and phytic acid (8%) and phytosterols are also present in the tubers. Sweet potato also contains scopoletin and some fungicidal and bactericidal substances and enzymes.
Stem tips contain indole-3-acetic acid. Sweet potato is capable of forming phytosterols are also present in the tubers (Ghani, 2003). A new furanoterpenoid-dehydroipomeamarone has been isolated from roots infected with Ceratocystis fimbriata. It also contains n-pentacosane, n-heptacosane, n-non-acosane, ß-sitosterol, palmitic acid, NaCl, and three unknown compounds A, B and C respectively (Rastogi & Mehrotra, 1993).
Cultivated throughout the country.
Return from Ipomoea batatas (L.) Lam. to Ethnobotany Plants profile.