Giant orchidOrchidaceae (Orchid family)Native to the lowland tropical rainforests New Guinea, Sumatra, Malaysia and the Philippines. Oahu, Hawaii, USA (Cultivated)Fruits in handGrammatophyllum speciosum is the world's largest orchid.Everything about this orchid is huge, the pseudobulbs (8 ft; 2.5 m), the raceme (8 ft; 2.5 m), the 60-100 flowers (each one 4 in; 10 cm wide), and the giant seed pods (seen here). The plants can even grow to weigh over a ton (2,000 lbs; 907 kg), with a record of two tons (4,000 lbs; 1815 kg)!