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| Leaves either stemless or on very short stems, usually opposite, entire. Flowers with 4-5 joined petals with same number of stamens joined to them and 2 stigmas | |
| Sort by: Traits or Genus | |
| Flower Formula: Sepals 4; Petals (4-5) | Glossary |
| Genus (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Bartonia
screw-stem |
2 |  |
Leaves minute. | Images Information |
| Centaurium
centaury |
1 |  |
Leaves not small. Flowers spreading abruptly above slender tube. | Images Information |
| Gentiana
gentian |
8 |  |
Leaves not small. Petals with folds or pleats between the petals, closed or open at top. | Images Information |
| Gentianella
dwarf gentian, gentian |
1 |  |
Leaves not small. Petals smooth with no fold or pleat between the petals, closed at top. | Images Information |
| Gentianopsis
fringed gentian |
2 |  |
Leaves not small. Petals fringed. | Images Information |
| Halenia
spurred-gentian |
1 |  |
Leaves not small. Larger flowers with 4 spurs at base. | Images Information |