White to pink petals have darker lines on them. One of the earliest flowers to bloom in spring. Its flowers open only when it is sunny, closing at night and during cloudy weather. They also close if picked. The tuber is edible but should be left alone so others can enjoy the flowers.
Soil needs low to rich organic content and average moisture.
Dies back and becomes dormant after blooming. Self-seeds and spreads by rhizomes. Full to partial shade. Heart-shaped flowers hanging off a short stalk. Named for the many yellow spherical tubers on the root, which resemble kernels of corn.