| Flowers that usually bloom before noon. Usually 4 petals, 4 sepals, and 4 or 8 stamens (except Circaea with parts in 2's). The center of the flower, the stigma, often forms a characteristic cross. Leaves simple. | |
| Sort by: Traits or Genus | |
| Flower Formula: Sepals 2 or 4; Petals 2 or 4 | Glossary |
| Genus  (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Calylophus
|
1 | ![]() |
Yellow to whitish flowers. Sepal falling after blooming. Seeds with no hairs. Stigma shield-shaped. | Images Information |
| Circaea
enchanter's-nightshade |
3 | ![]() |
White, tiny, 2 petaled flowers. Leaves opposite. | Images Information |
| Epilobium
fireweed, willow-herb |
11 | ![]() |
White, pink, or purple flowers with 4 petals. Seeds with tufts of hairs | Images Information |
| Gaura
bee-blossom |
4 | ![]() |
White to pink flowers with all 4 petals coming from 1 side of blossom. | Images Information |
| Ludwigia
false-loosestrife, seed-box |
3 | ![]() |
Yellow, grren or no petals. Sepals staying on seed. | Images Information |
| Oenothera
evening-primrose, sundrops |
13 | ![]() |
Yellow to whitish flowers with 4 petals. Sepal falling after blooming. Seeds with no hairs. Stigma with 4 cuts. Leaves alternate | Images Information |
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