Bitterweed

Wedge-shaped petals with 3 lobes at the tip. The center is dome-shaped and yellow.

Black-eyed Susan

Single yellow, daisy-like flowers with a domed brownish-purple center.

Blackberry

Flowers are wrinkled. The flowers and fruit appear on last season’s branches, rarely on new shoots.

Blanket Flower

Daisy-like flowers with orange-red petals that have 3-toothed yellow tips. The center of the flower is red-brown.

Blue Eyed Grass

Flowers are blue, violet or white, with a yellow center. There are 5 types of blue-eyed grass that are common in NC. Annual blue eyed grass (S. rosulatum) can be distinguished by a maroon band at the base of the petals. The other 4 types are more difficult to distinguish: Narrowleaf blue-eyed grass (S. angustifolium) with leaves less than 1/8 in. wide and flowers less than 1/2 in. wide; Atlantic blue-eyed grass (S. atlanticum), with leaves pale bluish-green, and flowers (usually 2) 0.5-0.75 in. wide, ovaries and capsules are black; Needle-tip blue-eyed grass (S. mucronatum) with extremely narrow grasslike leaves and flowers 2-4 in a cluster, 0.5-0.75 in. wide overtopped by a sharp-tipped bract, spathe bracts purple; and Nash’s blue-eyed grass (S. nashii) with leaves to 12 in. long and flowers 0.5-1 in. wide.

Blue Field-Madder

Tiny cross-shaped pink to lavender flowers in clusters at the ends of branches.

Blue Mistflower

Bluish purple flowers are fluffy and tubular. They appear in dense flat-topped clusters.

Blue Toadflax

Blue to purple flowers with a 2-lobed upper lip and a larger, 3-lobed lower lip with a white center. The back of the flower has a long, downward pointing spur.

Bluet

Flowers are pale blue to violet with a yellow center. There is one flower per stem tip.

Broadleaf Arrowhead

White, 3 petaled flowers. Male and female flowers are on the same scape, the male flowers on the upper portion, the female flowers on the lower portion. Male flowers have bushy yellow centers, female flowers have mounded green centers. The leaves are 12 inches long, held above water, and are shaped like arrowheads.