Abstract: The flower of Gastrodia elata B1. grows usually solitary in the bract-axial. The parts of flower are appeared in the following order: sepals, petals, stamens and pestil. In addition, the bases of calyx and corolla unite forming the oblique “floral tube”. Inner three petals, the median lip of the petal is usually larger and different in shape. The lip is three lobes, the marginal and its bases meristem keeps its activity forming lobes marginal tassel, at the base forming one fleshy reniform callus on both sides of lip. A column is united by stamen and style. The stamen is on the top at the back of rostellum in the column. Three stamens primodia of them, only one can developed, on the lateral stamens, during the early stage of flower development, it will not development further and stays on rudimentary, it forming two horn-like protuberances of the clinandrium.