juvenile durian tree in malaysia. mature species can grow 50 metres (160 feet) durian trees large, growing 25–50 metres (82–164 ft) in height depending on species. leaves evergreen, elliptic oblong , 10–18 centimetres (3.9–7.1 inches) long. flowers produced in 3 thirty clusters on large branches , directly on trunk each flower having calyx (sepals) , 5 (rarely 4 or six) petals. durian trees have 1 or 2 flowering , fruiting periods per year, although timing varies depending on species, cultivars, , localities. typical durian tree can bear fruit after 4 or 5 years. durian fruit can hang branch, , matures 3 months after pollination. fruit can grow 30 centimetres (12 in) long , 15 centimetres (6 in) in diameter, , typically weighs 1 3 kilograms (2 7 lb). shape ranges oblong round, colour of husk green brown, , flesh pale-yellow red, depending on species. among thirty known species of durio, 9 of them have been identified producing edible fruits: d. zibethinus, d. dulcis,...