Flowers have 4 round petals that curve inward, with 4 green sepals as long as the petals. Flowers last less than one day.
Environments: Sun
American Beautyberry
Clusters of tiny cup-shaped flowers that may be pink, lavender or white. Clusters of small pinkish-purple berries form a whorl around the stems in August through October.
American Burnweed
Cylindrical flowers cluster at the end of stems. There are no petals, but there are bud-like dull yellow or white disk florets.
Annual Blue Eyed Grass
Flowers are yellow or white, pink, magenta, or lavender. The yellow center has a purple or maroon ring.
Arrowleaf Sida
Yellow or cream colored flower with five asymmetric petals. The leaves diamond shaped.
Arrowwood
Three inch clusters of creamy white flowers.
Asiatic Dayflower
Flower has 2 large blue petals and one small white petal. Each flower blooms in the morning for a single day.
Beaked Cornsalad
Several tiny flowers form 0.5-1″ flat-topped clusters at the end of the stem. There are typically 2 flower clusters per stem, and each stem usually has 2 branches.
Beefsteak-plant
Small bell-shaped pink to pale purple flowers on 4 inch spikes. The flowers have notched upper and lower lips, and 2 short lateral lobes.
Big-headed Aster
Purple daisy-like flowers with a yellow center that becomes reddish-purple with age.