Turnip Seeds - Hidabeni. Heirloom, Non-GMO. Brassica rapa subsp. rapa. AKA kabu, kabura, manjing, mo ching, wu jing. 45-50 days. Cool season annual. Hidabeni turnip is a Japanese traditional vegetable, dento yasai, grown in the Hida region of Gifu prefecture. This scarlet skinned Japanese turnip produces a flattened semi-globe shaped root. The flesh is white, mild and has good texture. ~ 10,500 seeds / oz.