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Plant Details

Trillium oostingii

Wateree River Trillium

Scientific Name:

Trillium oostingii

Common Name:

Wateree River Trillium

Plant Family

Trilliaceae (Trillium Family)

Native/Alien:

S.E. Native

Type:

Herb/Wildflower

Bloom Color(s):

maroon and green petals

Size in Feet:

1

Light:

Shade

Soil Moisture:

Mesic(*)

Habitat Description:

Rich bottomland forests. So far as is known, endemic to Kershaw and Richland counties, SC, along the Wateree River. Found on both sides of the Wateree River, just southwest of Camden, in Kershaw County, SC, and along the Wateree River 15 km southward in Richland County, SC, Trillium oostingii grows in large colonies in rich, floodplain alluvium along creek banks and on natural river levees under a canopy of Carya cordiformis.
Not present in NC.

State Rank:

No NC Rank Listed (*)

Global Rank:

No Global Rank listed (*)

State Status:

No NC Status Listed (*)

Federal Status:

No U.S. Status Listed (*)

Notes:

T_oostingii_Gaddy.pdf
Daddy (2008) "Its petals were green to yellowish-green with maroon, clawed bases. Trillium oostingii, a new sessile-flowered Trillium from
Kershaw and Richland County, South Carolina is described. It is closely related to Trillium lancifolium Raf. and Trillium recurvatum Beck. All known populations of this plant are found just below the Fall Line in the floodplain of the Wateree River. " USDA appears to link to Trillium Lancifolium which it has sometimes been confused with.

Bud

image

Habitat

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Plants in Bloom

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Bloom

Note the clawed bi-colored petals - the claw maroon and the blade green

image

Bloom Close Up

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Bloom after Pollination

Note the crossed petals

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Red Petaled Form

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Links:

USDA PLANTS Database Record

Link to Photologia No 1 2008, Gaddy on A new sessile-flowered trillium from South Carolina
Bird-Friendly Native Plants



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