120 days, indeterminate
— The plants are prolific, reach about thirty-four inches tall, are heavily branched, and have white flowers. 'Musan-1' pods contain three to four beans that are brown with a black eyes (hilums) and saddle. According to the USDA, they have a high nutrient content; 53% protein, 17.5% oil.
USDA Accession PI 612610. Collected in North Korea and contributed in 1998 by Randy Ireson, American Friends Service Committee and O. Kyongchol, Korean Academy of Agricultural Sciences, Pyongyang, North Korea. Each packet contains 25 to 30 seeds.