Illinois Natural History Survey - University of Illinois

Euphorbia dentata
Wild poinsettia
Taxonomy

Synonyms: Poinsettia dentata, Euphorbia dentata, Euphorbia dentata var. dentata, Poinsettia dentata var. dentata

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
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Species Distribution
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County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

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F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Dicot-herb, annual

Roots: primary

Shoots: alternate, opposite leaf arrangment; simple leaf type; dentate leaf margin; Pinnate leaf venation; lanceolate leaf shape

Inflorescence: other

Flowers: unisexual, monoecious; incomplete, not petals, not sepals; hypogynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Found along roadsides, cindery railroad ballast, and on waste ground.

ILPIN Notes: Introduced in northern counties from western states according to Swink. Milky sap may cause dermatitis; does not cause hayfever. Flowers arranged in a cyathium in terminal clusters.

Functional Relationships:

Human Relationships:

  • Edibility [?] : poisonous
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 0
  • Chicago Area:

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