Content tagged with "summer wildflower"

Black Mustard

Photo of black mustard plant growing in cracked pavement
A native of Eurasia, black mustard is weedy and grows in fields, waste places, roadsides, and other disturbed areas. Until it was recently replaced by another species (brown mustard, which also is naturalized in Missouri) black mustard was the chief source of seed used in making table mustard. More

Black Mustard

Photo of black mustard plants on the edge of a field
Black mustard can grow to 5 feet tall. Next time you breeze past weedy black mustard on the highway or spot it in a fallow field, think of how important this and other mustards are to the world economy – and to your dinner table. More

Black Mustard

Photo of black mustard flower cluster
Brassica nigra
Next time you breeze past weedy black mustard on the highway or spot it in a fallow field, think of how important this and other mustards are to the world economy – and to your dinner table. More

Black Mustard (Flowers)

Photo of black mustard flower cluster
The flowers of black mustard are very small, yellow, and about 3/8 inch wide, with the 4 petals arranged like a cross. It blooms April–November. The fruits are long seedpods (technically, siliques) that form lower on the stalk as new flowers develop higher up. More

Black Mustard (Leaves)

Photo of black mustard leaves
The leaves of black mustard have long petioles and are highly variable, often irregularly lobed to the midrib, generally ovate, some with teeth. More

Black-Eyed Susan

Photo of black-eyed Susan flowerhead with a beetle on it.
In the 1970s, researchers explored the different patterns of reflected ultraviolet light in the corollas of this and other rudbeckias. Although UV light is invisible to humans, bees and some other insects can see it, and the special patterns in the flowers serve especially to attract them. More

Black-Eyed Susan

Photo of black-eyed Susan flowerhead.
Black-eyed Susan flowerheads are solitary or in loose, open clusters, terminal on the stalk, and grow to 4 inches across. The 8–21 ray flowers are rich yellow or orangish and slender. The central disk is deep brown to purple-brown and hemispherical, becoming egg-shaped with maturity. More

Black-Eyed Susan

Photo of several black-eyed Susan flowers.
Rudbeckia hirta
Black-eyed Susan is a tremendously popular native wildflower for gardening. It’s also commonly planted along roadways, so when it’s blooming, May through October, you’re sure to see it somewhere. More

Black-Eyed Susan

Photo of black-eyed Susan flowerhead.
Black-eyed Susan is popular as a native garden ornamental and is often sold as a cut flower. Historically, Native Americans used this and other Rudbeckia species medicinally. More

Black-Eyed Susan

Photo of black-eyed Susan flowerheads.
Black-eyed Susan is a tremendously popular native wildflower for gardening. It’s also commonly planted along roadways, so when it’s blooming, May through October, you’re sure to see it somewhere. More