Scientific Name:Anona Muricata Linn.
Common Names: guanábana (Spanish), graviola (Portuguese), Brazilian pawpaw, Graviola, corossolier, guanavana, toge-banreisi, durian benggala, nangka blanda, sirsak, and nangka londa, mullaatha, shul-ram-fal and hanuman fal.
Graviola tree, or soursop in English (Scientific Name : Anona muricata Linn.) is a small tree, usually about 5 to 7 meters high. Graviola is a fruit bearing tree, broadleaf, flowering, and evergreen that is native to Central America, the Carribean and South America. Graviola can be found in Mexico, Colombia, Brazil, Peru, and Venezuela. Graviola or Soursop are also native in sub-Saharan African countries. Graviola or Soursop is adaptable to tropical climate and are currently cultivated for its fruit in most Southeast Asian countries such as Malaysia, Indonesia and Philippines.
Graviola fruit is a green, pear-shaped fruit covered with soft spines. Matured Graviola or soursop fruit weighs about 2 to 5 kilograms. Graviola fruit is ovoid and large, up to 18 centimeters long, with thin skin and the soft edible whitish pulp that is fleshy and fibrous. Graviola has inedible black seeds. Graviola fruit or soursop fruit has distinct sweet-sour flavor that tastes like pineapple and strawberry with a tang of sour citrus taste.
Graviola leaves are oval shaped with smooth, shiny texture. Graviola leaves are 7 to 20 centimeters in length, pointed on both ends, with petioles about 5 mm long. Graviola flowers bloom all year round but its peak is from May to June. Graviola has a solitary flower that is large, yellow or greenish-yellow in color. The three outer petals are broadly ovate with a heart-shaped base, up to 5 centimeters long, and 3 centimeters wide; and the inner three are also large, elliptic to obviate, and rounded..
Graviola fruits are harvested in its maturity – when the skin is shiny green or yellowish green in color. Graviola fruit is used as vegetable and made into sweet meat, while the ripe Graviola fruit can be eaten raw or prepared as dessert.
Graviola or soursop is also known to possess medicinal properties that include cancer fighting activity.