The royal palm is considered the national tree. Though not originally from Cuba, it is a widespread species. The royal palm has a great deal of symbolic significance for Cubans. Sugarcane and its related industries form the fundamental basis of Cuba's economy. Other traditional crops include tobacco, citrus fruit, coffee, and other minor agricultural produce.
Nickel mining is important because Cuba has the world's largest open-pit ore deposits.
Biotechnology and pharmaceutical industrial products, now in full development, have become a promising export commodity. The fishing industry is also important. Cuban crustaceans, such as lobsters and shrimp, have won international fame and recognition. Other main Cuban products are rum, honey, cocoa, refractory chromium, manganese, asphalt, marble, cement, agave and its by-products, rayon, and raw hides and leather. Tourism offers promising perspectives, and its growth represents an important basis for the future development of Cuba.