As always, I was pleased to learn about new plants for me.
http://www.plantarium.ru/page/image/id/414239.html
Diets bicolor (Dietes bicolor) Rhizome perennial 60-90 cm tall. Leaves are basal, narrowed-xiphoid, light green, 60 cm long. Light yellow to bright yellow, flowers 4 cm in diameter with 3 large perianth petals and brown spots at the base. Flowering in May and June.
