Flowering Spurge
Euphorbia corollata Linnaeus
Flowering Spurge: https://marylandbiodiversity.com/species/3490
Synonyms
Euphorbia marilandica 
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Source: Wikipedia

Flowering spurge
Euphorbia corollata in Michigan, USA

Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. corollata
Binomial name
Euphorbia corollata

Euphorbia corollata is an herbaceous perennial plant in the family Euphorbiaceae that is native to North America. A common name for the species is flowering spurge.[2] It has a milky sap that can cause skin and eye irritation in some people. It grows up to 1 m (3 ft) tall, with smooth stems and light green leaves arranged alternately or in whorls. Leaves are about 10 mm (1/2 in) wide and 75 mm (3 in) long. Each stem terminates in a panicle 20 to 25 mm (3/4 to 1 in) across. Flowers are about 6 mm (1/4 in) 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.[3] Flowering spurge blooms from June to September.[4]

  1. Euphorbia corollata, the top of a plant rather below the common size
  2. Barren flower
  3. Calyx not fully expanded
  4. Stamen
  5. Fertile flower

Range and habitat

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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.[5] It has excellent drought tolerance and develops a deep taproot. It is difficult to transplant once established.[6]

Flowering spurge is native from Texas north to South Dakota and east to the Atlantic coast.[7]

Faunal associations

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The flowers are pollinated by a variety of insects including bees, wasps, flies, and butterflies. Other insects feed on foliage, stems, and other parts of the plant, although mammals avoid it because of its toxic sap. Seeds are fed on by wild turkey, greater prairie chicken, bobwhite quail, mourning dove, and horned lark.[6]

Uses

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The plant can be used as a laxative, but is poisonous if eaten in quantity.[8]

References

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Wikispecies has information related to Euphorbia corollata.
  1. ^ "NatureServe Explorer 2.0". explorer.natureserve.org.
  2. ^ NRCS. "Euphorbia corollata". PLANTS Database. United States Department of Agriculture (USDA).
  3. ^ David Taylor. "Flowering Spurge". Plant-of-the-week. USDA Forest Service. Retrieved 15 August 2015.
  4. ^ Chayka, Katy; Dziuk, Peter (2016). "Euphorbia corollata (Flowering Spurge)". Minnesota Wildflowers. Retrieved 15 August 2015.
  5. ^ Tenaglia, Dan. "Euphorbia corollata page". Missouri Plants. Missouri Botanical Garden. Retrieved 2008-12-14.
  6. ^ a b Hilty, John (2020). "Flowering Spurge (Euphorbia corollata)". Illinois Wildflowers. Retrieved 15 August 2015.
  7. ^ "Euphorbia corollata". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  8. ^ Niering, William A.; Olmstead, Nancy C. (1985) [1979]. The Audubon Society Field Guide to North American Wildflowers, Eastern Region. Knopf. p. 513. ISBN 0-394-50432-1.


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