Flowering spurge

Euphorbia corollata

"Euphorbia corollata" is an herbaceous perennial plant in the Euphorbiaceae family that is native to North America. A common name for the species is flowering spurge. It has a milky sap that can cause skin and eye irritation in some people.
Flowering Spurge (Euphorbia corollata) At the moist edge of a dense mixed forest.  Euphorbia corollata,Flowering spurge,Geotagged,Summer,United States

Appearance

It grows up to 1 m tall, with smooth stems and light green leaves arranged alternately or in whorls. Leaves are about 10 mm wide and 75 mm long. Each stem terminates in a panicle 20 to 25 mm across. Flowers are about 6 mm across and consist of one pistillate and several staminate flowers surrounded by five white bracts - not petals but formed from the involucre at the base of the flowers. Flowering spurge blooms from June to September.
Euphorbia_corollata_2024-07-22 SW Michigan USA Out near the road by our house. 2:1 lens magnification. Euphorbia corollata,Flowering spurge,Geotagged,Summer,United States

Habitat

Flowering spurge grows in most soil types as long as they are well-drained. It is usually found in prairies, pastures, glades, and along roads and train tracks. It has excellent drought tolerance and develops a deep taproot. It is difficult to transplant once established.

Flowering spurge is native from Texas north to South Dakota and east to the Atlantic coast.

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderMalpighiales
FamilyEuphorbiaceae
GenusEuphorbia
SpeciesE. corollata