Dendrobium lineale
 Dendrobium lineale is a species of orchid. It is an epiphytic plant that grows along the north-eastern coast of New Guinea from Milne Bay to just over the border into Irian Jaya and from sea level to around 800 metres (2600 ft). It has cane-like pseudobulbs which grow up to 2 metres (6 ft 7 in) long and 2–3 centimetres (0.8–1.2 in) in diameter. Its inflorescences are up to 75 cm (30 in) long with many flowers up to 5 cm (2.0 in) across.