Bulb tunic membranous or papery, not splitting, or only apex splitting and becoming fibrous or reticulate; perianth segments white, pale red, red, or purple-red to dark purple, rarely pale green.

• 鳞茎皮膜质或纸质，不开裂，先端的只开裂的或并且变得纤维状的或网状；花被片白色，淡的红，红，或紫色红到深紫色，很少苍绿色。(52