Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Liliales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Trillium oostingii
FAMILY
Trilliaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Test-drive A Teaching Key to Trillium.
Read more: Trillium oostingii (Wateree Trillium), a rare Trillium in central South Carolina by Jim Fowler.
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Trillium oostingii
SYNONYMOUS WITH A new sessile-flowered Trillium (Liliaceae: subgenus Phyllantherum) from South Carolina (Gaddy, 2008)
Trillium oostingii
Previously misidentified as
Trillium lancifolium
COMMON NAME:
Wateree River Trillium
To see larger pictures, click or hover over the thumbnails.
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Jerry Bright jeb_041210_1
April Kershaw County SC
Somewhat similar to T. lancifolium and T. recurvatum, per Weakley's Flora (2020).
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Jerry Bright jeb_041210_2
April Kershaw County SC
Wider petals, shorter stamens, and shorter claws than T. lancifolium, per A New Sessile-flowered Trillium from SC. Phytologia (Gaddy, 2008).
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Jerry Bright jeb_041210_3
April Kershaw County SC
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Jerry Bright jeb_041210_4
April Kershaw County SC
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Keith Bradley kab_754289719541185
April SC
Sepals may be strongly reflexed early & parallel to the ground at maturity, per A New Sessile-flowered Trillium from SC. Phytologia (Gaddy, 2008).
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Keith Bradley kab_914665686320211
April SC
Scapes holding bracts (leaves) well above ground, per Weakley's Flora (2020).
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Bob Griffeth rmg_img_1777
April SC
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Bob Griffeth rmg_img_1780
April SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Trillium oostingii
FAMILY
Trilliaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Trillium oostingii
SYNONYMOUS WITH
A new sessile-flowered Trillium (Liliaceae: subgenus Phyllantherum) from South Carolina (Gaddy, 2008)
Trillium oostingii
Previously misidentified as
Trillium lancifolium
3426
Forb
Perennial
Habitat: Rich bottomland forests, per Weakley's Flora
Native to South Carolina
Rare (apparently endemic to SC's Kershaw-Richland counties along Wateree River)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
A single terminal whorl of 3 leaves
Leaves sessile
FLOWER:
Spring
Maroon claw & green blade (bicolored petals)
Flowers are sessile.
Radially symmetrical
3 sepals
3 petals
Bisexual
FRUIT:
Spring
Berry
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".