NC Native Plant Society:
Plant Details

Iris tridentata

Scientific Name:	Iris tridentata
Genus:	Iris
Species Epithet:	tridentata
Common Name:	Savanna Iris
Plant Type	Herb/Wildflower
Life Cycle	Perennial
Plant Family	Iridaceae (Iris Family)
Native/Alien:	NC Native
Invasive Status:	^(*Key)
Size:	0-1 ft., 1-3 ft.
Bloom Color(s):	Purple
Light:	Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day
Soil Moisture:	Wet
Bloom Time:	May, June
Growing Area:	Coastal Plain
Habitat Description:	Wet savannas, pine flatwoods, margins of pineland pools. Fairly common, to locally common in the NC coastal counties, but less numerous northwestward, where it is generally uncommon.
Leaf Arrangement:	Basal
Leaf Retention:	Deciduous
Leaf Type:	Leaves veined, not needle-like or scale-like
Leaf Form:	Simple
Life Cycle:	Perennial
Wildlife Value:	Important for Wildlife
Landscape Value:	Suitable for home landscapes
State Rank:	S2: Imperiled, S3: Vulnerable ^(*Key)
Global Rank:	G3 - Vulnerable, G4 - Apparently Secure ^(*Key)
Top view of flower. Notice the presence of the sepals, petaloid style branches, but no visible petals. The petals are present but very much reduced in size. Bog garden in Orange County, NC Bettina Darveaux
Side view showing vestigial petals Bog garden in Orange County, NC Bettina Darveaux
Bog garden in June Bog garden in Orange County, NC Bettina Darveaux
Links:	USDA PLANTS Database Record