Hemerocallis darrowiana was named after Dr. George Macmillan Darrow, By Dr.Hu. S. Y. Hu. discovered H. darrowiana on the Sakhalin Island of Japan.
Sakhalin (Russian: Сахали́н, IPA: [səxʌˈlʲin]; Japanese: 樺太 (karafuto?) or サハリン (saharin?); Chinese: 庫頁 Kùyè), also Saghalien, is a large elongated island in the North Pacific, lying between 45°50′ and 54°24′ N. It is part of Russia and is its largest island, administered as part of Sakhalin Oblast. The indigenous peoples of the island are the Sakhalin Ainu, Oroks, and Nivkhs. However in 1949 Russians expelled all Ainu (and Japanese) on the island with most relocating to Hokkaidō.[2 (Wikipedia) .
No known specimen of H. darrowiana is grown in cultivation. No known photo of the plant exists either. Hemerocallis darrowiana