Description from Flora of China
Amaryllis candida Lindley, Bot. Reg. 9: t. 724. 1823; Argyropsis candida (Lindley) M. Roemer.
Bulbs ovoid, ca. 2.5 cm in diam., neck 2.5--5 cm. Leaves bright green, terete-linear, 20--30 cm × 2--4 mm, fleshy. Involucres red-brown. Flowers solitary, terminal; pedicel ca. 1 cm. Perianth white, often tinged with rose abaxially; lobes ± free, 3--5 × ca. 1 cm, usually with tiny scales near throat, apex obtuse to shortly acute. Stamens ca. 1/2 as long as perianth. Style slender; stigma 3-notched. Capsule subglobose, ca. 1.2 cm in diam. Fl. autumn.
Widely cultivated as an ornamental. Becoming naturalized in S China [native to South America].