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