Nicknames: onion lotus, jade curtain, white calamus lotus,

Onion, a perennial evergreen herb of Amaryllidaceae. The bulb with skin is oval, slightly like the bulb of tuberose or garlic, with small diameter and obvious neck length. Basal leaves, fleshy linear, dark green. Plant height is 30 cm to 40 cm. Scape short, 0.3-0.4m high, hollow. Flowers solitary, 6 perianth, white, red, yellow, oblong to lanceolate; Corolla diameter 4 cm to 5 cm. The flowering period is from July to September. Capsule subglobose. I like sunny, semi-cloudy and low humidity environment, and I prefer fertile, sticky and well-drained soil.