Chuang points out that among the current varieties of flamingo lilies, although "Emerald" is green, it doesn't reliably have an attractive appearance. And although "Green Fire Red" is easy to grow, it contains some red within the green; it's not pure green.
莊耿彰指出，現有的火鶴品種中，「翠綠」雖是綠色，但性狀一直不穩定，另一種「綠火紅」雖然容易栽培，但又綠中帶紅、非純綠色。