The 2-lipped flowers have 5 petals joined into a 1- to 2-inch long tube. The flowers are paired and supported by two leafy bracts.
Flower Colors: Yellow
Kidneyleaf Rosinweed
Clusters of yellow flowers with 6-12 petals. The kidney-shaped leaves grow up to 14 inches long and are at the base of the plant.
Lanceleaf Coreopsis
Yellow-orange flowers with toothed petals, often growing in clumps. The leaves are linear with 1-2 lobes.
Large Yellow Vetch
Pea-shaped yellow to whitish flowers that are sometimes streaked with purple.
Leatherleaf Mahonia
3-6 inch spikes of yellow flowers. The leaves resemble holly leaves. There are 9-13 large leaflets, making the entire leaf 1-2 feet long. Fruit is a blue berry.
Maryland Golden Aster
Flowers in large, branched clusters. The center is darker yellow.
Maryland Senna
Bright yellow flowers with dark brown anthers. The compound leaves have 6-12 pairs of leaflets.
Midwestern Tickseed-Sunflower
Eight petaled flower with a yellow center disc.
Mock Strawberry
The flower has 5 blunt-tipped oval petals and a yellow center.
Narrow-leaf Evening Primrose
Cup-shaped flower with notched petals. Flowers close at night (compared to other primroses that open at night).