葱莲（学名：Zephyranthes candida）石蒜科葱莲属的植物。

多年生草本。地下鳞茎，直径约2.5厘米，具明显的颈部。基生线形叶，长20到30厘米，宽2到4毫米。花茎中空，花单生于花茎顶部。下有带褐红色的佛焰苞状总苞片，总苞片顶端2裂。花梗藏于苞片内，长约1厘米。夏秋开白花，外面常带淡红色，花被漏斗状，几无花被管，花被片6，长3到5厘米，顶端钝或具短尖头，宽约1厘米，近喉部常有很小的鳞片。雄蕊6，长约为花被的一半。花柱细长，柱头微3裂。蒴果近球形，直径约1.2厘米，3瓣开裂。种子黑色，扁平。原产南美。

Zephyranthes candida, with common names that include autumn zephyrlily, white windflower and Peruvian swamp lily, is a species of rain lily native to South America including Argentina, Uruguay, Paraguay, and Brazil. The species is widely cultivated as an ornamental and reportedly naturalized in many places (South Africa, Zimbabwe, Seychelles, central and southern China, Korea, Nansei-shoto (Ryukyu Islands), Bhutan, Solomon Islands, Queensland, Nauru, Tonga, Society Islands, Mariana Islands, southeastern United States (from Texas to North Carolina), the Lesser Antilles, and Peru).