Ficus elastica leaves the latex of the plant oozing, is coated with cuttings hormones and tightly wrapped with moist foam. The whole is covered with a plastic film and left a few months at the end of which new roots have developed from the axillary buds. The stem is then weaned and the new plant can be repotted. All parts of the plant contain an abundant milky white latex, which has been tested for use in the manufacture of rubber, but without economic and technical results; the rubber is actually produced from the sap of the rubber tree . In cultivation, it
Ficus vasta not cultivated under domestication, and is disappearing due to human pressure, mainly in its use as firewood. Ficus vasta Ficus vasta (; warka) is a fig plant found in Ethiopia and Yemen. "Ficus vasta" is a large tree, with a massive trunk, and spreading branches whose tips form an inverted bowl up to 50m in diameter. It reaches a height of 25m. The trunk is smooth and grey, and is commonly buttressed. The bark is smooth and grey, except on young branches where it is yellow-white-brown, and flaking when dry. The leaves are elliptical, reaching 25 x 20 cm, hairy,