| Glauca Characteristics
| petals 3 or more times longer than
sepals |
|
|
Parnassia Characteristics
| flowers singly on long stems |
| 5 sepals and 5 sepals |
| 5 clusters of small, gland-tipped,
sterile stamens (staminodia) opposite the petals |
| 5 fertile stamens alternating with
petals |
| superior ovary |
| stigmas usually 4, nearly sessile |
|
|
Saxifragaceae Characteristics
| flowers usually perfect and regular |
| usually 2 floral rings (petals absent
in Chrysoplenium) |
| hypanthium usually well-developed,
often with a disk |
| receptacle cup-shaped |
| 5 (sometimes 4) sepals, separate or
partially united |
| 5 (sometimes 0 or 4) separate petals |
| 5 or 10 stamens |
|