Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Apiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Thaspium trifoliatum var. aureum
FAMILY
Apiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Thaspium at Vascular Plants of North Carolina.
Various workers have differed on the characters used to separate two varieties in T. trifoliatum. It is presently not clear how they should be separated, or, indeed, if varieties are warranted, per Weakley's Flora (2023).
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Thaspium trifoliatum var. aureum
FAMILY
Apiaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Thaspium trifoliatum var. aureum
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Thaspium trifoliatum var. aureum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-15-001b:
Thaspium trifoliatum var. flavum FAMILY Apiaceae
INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Thaspium trifoliatum
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Thaspium trifoliatum var. aureum
COMMON NAME:
Yellow Meadow-parsnip, Woodland Parsnip
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm230320_1693
March Greenville County SC
Chestnut Ridge Heritage Preserve
)
JK Marlow jkm230320_1699
March Greenville County SC
Chestnut Ridge Heritage Preserve
Stem leaves ternately or pinnately divided; leaflets are oval to lance-shpaed, toothed & smooth, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
)
JK Marlow jkm0404x_37
April Rutherford County NC
Chimney Rock Park
Various workers have differed on the characters to separate the two varieties, per Weakley's Flora.
)
JK Marlow jkm090412_154
April Greenville County SC
Chestnut Ridge Heritage Preserve
)
JK Marlow jkm090412_162
April Greenville County SC
Chestnut Ridge Heritage Preserve
Cauline leaves are pinnate with 3 or 5 leaflets, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm120415_020
April Pickens County SC
Clemson Forest
)
JK Marlow jkm120415_022
April Pickens County SC
Clemson Forest
Teeth of leaflets fine, relatively obtuse, with a thickened translucent border, per Weakley's Flora.
)
JK Marlow jkm0005a_32
May Rutherford County NC
Chimney Rock Park
Upper leaves with 3 (rarely 5) lanceolate to ovate, toothed leaflets, per Wildflowers of Tennessee (Carman, 2005).
)
JK Marlow jkm0305l_10
May Rutherford County NC
Chimney Rock Park
)
JK Marlow jkm120526_631
May Spartanburg County SC
Leaves have a transparent border. Basal lvs simple, heart to kidney-shaped, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Thaspium trifoliatum var. aureum
FAMILY
Apiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Thaspium trifoliatum var. aureum
FAMILY
Apiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Thaspium trifoliatum var. aureum
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Thaspium trifoliatum var. aureum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-15-001b:
Thaspium trifoliatum var. flavum
FAMILY
Apiaceae
INCLUDED WITHIN
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Thaspium trifoliatum
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Thaspium trifoliatum var. aureum
1501
Forb
Perennial
Habitat: Moist forests, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in NC Piedmont) (uncommon in Coastal Plain of GA & SC) (rare in NC Coastal Plain)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Basal leaves usually simple; middle & upper stem leaves 3(-5)-foliolate
Basal & alternate
FLOWER:
Spring
Yellow
Radially symmetrical
5-merous
Inferior ovary
Compound umbel with 4-10(-11) rays
FRUIT:
Summer
Schizocarp of two mericarps
TO LEARN MORE about this plant, look it up in a good book!
- Great Smoky Mountains Wildflowers (Campbell, Hutson, Sharp, & Hutson, 1962) p018?
- Newcomb's Wildflower Guide (Newcomb, 1977) p226?
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p259
- Wildflowers in the Field and Forest: Northeastern US (Clemants & Gracie, 2006) p170
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p038
- Wildflowers of Tennessee (Carman, 2005) p182
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p217
- Wildflowers of the Southern Mountains (Smith, 1998) p118
- Wildflowers of the Sandhills Region (Sorrie, 2011) p138
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