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NC Native Plant Society:
Plant Details

Iris tridentata

Savanna Iris

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 only sepals, petaloid style branches, but no petals.

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



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