OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Euphorbia cyathophora   FAMILY Euphorbiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Euphorbia cyathophora   FAMILY Euphorbiaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 12 (2016)

Euphorbia cyathophora

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 107-11-002:

Euphorbia heterophylla var. graminifolia   FAMILY Euphorbiaceae

INCLUDING (MISAPPLIED) Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)

Euphorbia heterophylla var. heterophylla

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Poinsettia cyathophora

INCLUDING (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933, 1938)

Poinsettia heterophylla

 

COMMON NAME:
Wild Poinsettia, Painted Leaf, Fire-on-the-mountain


         To see larger pictures, click or hover over the thumbnails.

image of Euphorbia cyathophora, Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Caleb Forrest    caf_6769

August    Greenville County    SC

Flowers have no petals or sepals. Upper lvs reddish (or white) at the base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Euphorbia cyathophora, Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Caleb Forrest    caf_6770

August    Greenville County    SC

image of Euphorbia cyathophora, Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Caleb Forrest    caf_6771

August    Greenville County    SC

Leaves variable: Entire, serrate or lobed; linear, broadly oblong to ovate, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Euphorbia cyathophora, Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Caleb Forrest    caf_6773

August    Greenville County    SC

image of Euphorbia cyathophora, Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Richard and Teresa Ware    rtw_e_cyathophora_4

September        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Euphorbia cyathophora   FAMILY Euphorbiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Euphorbia cyathophora   FAMILY Euphorbiaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 12
Euphorbia cyathophora

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 107-11-002:
Euphorbia heterophylla var. graminifolia   FAMILY Euphorbiaceae

INCLUDING (MISAPPLIED) Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Euphorbia heterophylla var. heterophylla

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Poinsettia cyathophora

INCLUDING (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933, 1938)
Poinsettia heterophylla

 

Find by SCIENTIFIC NAME:

2862

Forb
Annual/Perennial
Monoecious

Habitat: Bottomland forests, dunes, streambanks, disturbed habitats, per Weakley's Flora

Native to the Carolinas & Georgia - the original range obscure

Uncommon in GA-NC-SC Coastal Plain (where presumed to be native); mostly rare northwards (where presumed to be introduced)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)

LEAVES:
Simple
Mostly alternate

FLOWER:
Spring/Summer/Fall
Bracteal leaves red or green at base
Cyathium with 1 two-lipped gland, without petaloid appendages
Unisexual

FRUIT:
Spring/Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



 


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