Low plant, with distinctive violet-shaped flowers that are yellow with brown stripes inside.  Leaves are heart-shaped and have very distinct veins.  Blooms in mid spring in woodlands. Fruit a capsule covered with white fur that splits open when mature to release the seeds.

Occasional in the woods on the eastern slope of the Park.

There are many violets in the park, but most are white, blue or purple.  Halberd-leaved yellow violet has leaves that are shaped like the point of a lance, that is, triangular with two rounded lobes at the base.