Palustris Characteristics

petals 1.5 times longer than sepals

Parnassia Characteristics

	flowers singly on long stems
	clusters of small, gland-tipped, sterile stamens (staminodia) opposite the petals
	5 fertile stamens alternating with petals
	superior ovary

Saxifragaceae Characteristics

	2 floral rings, petals not united
	flowers usually perfect & regular
	hypanthium usually well developed, often with a disk