Onion orchid is a herbaceous plant.

Onion orchid is also called onion lily, white-flowered calamus lotus, etc., is a perennial herb, bulb, the width of about 2.5cm, the leaf blade is bright green, fat and thick its narrow, the width of just between 2mm and 4mm, while the length can reach about 30cm, the flower stem is hollow, the flower is borne singly at the The flower stem is hollow and the flowers are borne singly at the tip and are white, the fruit is small and nearly spherical. Oncidium orchid born dwarf, and all year round leaf evergreen, large flowers and flowers, elegant flowers with a fresh and elegant flavor, in the garden ornamental is really one of the popular flower varieties.