Streptocarpus 'Big Yolk'. 2001, IR01749, T. Okuto. (‘ Kimi' x 'Momo'). [1999]. 1999, T. Okuto, CrossWords 23(2) 8. [ rexii x ‘ Monarch’ hybrid) x eylesii] x (‘ Black Panther’ x unknown white). Cross made Feb. 28, 1994, first flowered July 14, 1995. Leaves big and extended more or less one-sided, a trait inherited from S. eylesii. Flowers 65 mm across. Purple with big yellow center. First commercial listing 2001, Belisle’ s Violet House cat., attributing it to Yamagato