Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Ranunculales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Chelidonium diphyllum
FAMILY
Papaveraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Stylophorum diphyllum
FAMILY
Papaveraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Stylophorum diphyllum
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 3 (1997)
Stylophorum diphyllum
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Stylophorum diphyllum
COMMON NAME:
Celandine-poppy, Woods-poppy
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_stdi3_001_lvd
)
Richard and Teresa Ware rtw_s_diphyllum_2
March
)
Richard and Teresa Ware rtw_s_diphyllum_5
March
)
Richard and Teresa Ware rtw_stylophorum_diphyllum
March
Flowers 1.5-2.5" wide are borne in a terminal cluster, per Wildflowers of Tennessee (Carman, 2005).
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Stephanie C. Brundage scb_032721atlanta36
March Fulton County GA
Atlanta Botanical Garden
)
Stephanie C. Brundage scb_032721atlanta38
March Fulton County GA
Atlanta Botanical Garden
)
Stephanie C. Brundage scb_032721atlanta41
March Fulton County GA
Atlanta Botanical Garden
)
JK Marlow jkm090405_018
April Walker County GA
The Pocket on Pigeon Mountain
)
JK Marlow jkm110402_377
April Haywood County NC
Corneille Bryan Native Garden
)
JK Marlow jkm140421_502
April Buncombe County NC
Botanical Gardens at Asheville
Flowers deep yellow, 1.5-2" wide, with 4 petals and numerous stamens, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
JK Marlow jkm140421_503
April Buncombe County NC
Botanical Gardens at Asheville
Leaf pinnately divided almost or to the midvein into 5-7 segments, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
)
JK Marlow jkm160428_185
April Haywood County NC
Corneille Bryan Native Garden
Greek "stylos" & "phoros" (style-bearing) referring to its conspicuous style, per Flora of North America.
)
Keith Bradley kab_s_diphyllum_5222
April Watauga County NC
Daniel Boone Native Gardens
)
Stephanie C. Brundage scb_041721atlanta30
April DeKalb County GA
Native Plant Botanical Garden, Perimeter College, Georgia State University
)
JK Marlow jkm0405h_13
May Haywood County NC
Corneille Bryan Native Garden
)
JK Marlow jkm0405h_16
May Haywood County NC
Corneille Bryan Native Garden
)
JK Marlow jkm160516_081
May Haywood County NC
Corneille Bryan Native Garden
The seedpods are egg-shaped, bristly hairy and about 1" long, per Wildflowers of Tennessee (Carman, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Chelidonium diphyllum
FAMILY
Papaveraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Stylophorum diphyllum
FAMILY
Papaveraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Stylophorum diphyllum
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 3
Stylophorum diphyllum
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Stylophorum diphyllum
1472
Forb
Perennial
Habitat: Moist forests over calcareous rocks (such as limestone), per Weakley's Flora
Native to Georgia Mountains (introduced elsewhere in GA-NC-SC)
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
DOES THE PLANT HAVE "MILKY SAP"?
Has yellow latex (milky sap)
LEAVES:
Simple: pinnatisect (pinnately cleft to the midrib)
Basal rosette & opposite
RHIZOMES? STOLONS?
Rhizomes stout
FLOWER:
Spring/Summer
Yellow
Radially symmetrical, or nearly so
2-merous
2 sepals
4 petals
Numerous stamens
Superior ovary
Bisexual
FRUIT:
Spring
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Gardening with Native Plants of the South (Wasowski & Wasowski, 1994, 2020) p136
- Gardening with the Native Plants of Tennessee (Hunter, 2002) p177
- Newcomb's Wildflower Guide (Newcomb, 1977) p162
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p242
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p017
- Wildflowers of Tennessee (Carman, 2005) p047
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p069
- Wildflowers of the Southern Mountains (Smith, 1998) p053
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