Rhynchostylis gigantea is a species of orchid. This species was first described in 1896 by John Lindley and occurs in Myanmar, Thailand, Malaysia, Laos, Cambodia, Vietnam, Hainan China, Borneo, Bangladesh and the Philippines. Unlike Vanda species, they need indirect light. Rhynchostylis gigantea are best grown in a wood-slat basket with little or no potting material and will grow massive fleshy roots entangled throughout the basket if given uniform water and fertilizer. The plants are warm- to hot-growing. it is the state flower of assam.