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NC Native Plant Society:
Plant Details

Trillium pusillum

Carolina Least Trillium, Dwarf Wake-robin, Dwarf White Flowering Trillium

Scientific Name:

Trillium pusillum

Genus:

Trillium

Species Epithet:

pusillum

Common Name:

Carolina Least Trillium, Dwarf Wake-robin, Dwarf White Flowering Trillium

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Trilliaceae (Trillium Family)

Native/Alien:

NC Native

Size:

0-1 ft.

Bloom Color(s):

White, Pink, Purple

Light:

Part Shade - 2 to 6 hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

March, April, May

Growing Area:

Coastal Plain

Habitat Description:

Ecotones of calcareous savannas and swamp forests in the lower Coastal Plain.

Leaf Arrangement:

Whorled

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Has some wildlife value

Landscape Value:

Suitable for home landscapes

State Rank:

S2: Imperiled (*Key)

Global Rank:

G_T_: Subspecies or Variety Rank (add status to NOTES section) (*Key)

State Status:

E: Endangered (*Key)

Notes:

Weakley currently lists four varieties of T. pusillum as native to NC:
Trillium pusillum var. ozarkanum. State Rank S1, Global Rank G4T3
Trillium pusillum var. pusillum. State Rank S2, Global Rank G4T3.
Trillium pusillum var. 4, Carolina Least Trillium. State Rank S1S2, Global Rank G3TNR.
Trillium pusillum var. 5, Dismal Swamp Least Trillium. State Rank S1, Global Rank G3TNR.

Trillium pusillum var. virginianum, Virginia Least Trillium, Virginia Dwarf Trillium, is not shown in NC but the NC Natural Heritage Program lists it in Camden, Currituck, Gates, Halifax, Johnston, Nash, and Wake counties. State Rank S1, Global Rank G3T2

T. pusillum var pusillum

2 - 3 Year Old Seedlings

image

T. pusillum var pusillum

Plant & Bloom

image

T. pusillum var pusillum

Bloom Close Up

image

T. pusillum var pusillum

Older Bloom

image

T. pusillum var ozarkanum

Plants

image

T. pusillum var ozarkanum

Note the long pedicel

image

T. pusillum var virginianum

Plants

image

T. pusillum var virginianum

Plant

image

T. pusillum var virginianum

Bloom

image

T. pusillum var virginianum

Bloom Close Up

image

T. pusillum var georgianum

Plants
(Not an NC Native)

image

T. pusillum var georgianum

Leaves
(Not an NC Native)

image

Tom Harville

T. pusillum var georgianum

Seed Capsules
(Not an NC Native)

image

Mark Rose

T. pusillum var georgianum

Bloom
(Not an NC Native)

image

Tom Harville

Links:

USDA PLANTS Database Record



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