Euphorbia Species & Cultivars:

Euphorbia mammillaris (Indian Corn Cob) on 10-15-20, #747-33.

Euphorbia

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The Euphorbia genus was named and described by Carl von Linnaeus in Species Plantarum in 1753.

Euphorbia is a very diverse genus of flowering plants in the plant family Euphorbiaceae commonly known as the spurge family.

As of 11-21-21 when this page was last updated, Plants of the World Online lists 2,002 accepted species of Euphorbia. It is a member of the plant family Euphorbiaceae with 227 genera. Those numbers could change as updates are made on POWO.

Distribution map of the Euphorbia genus from Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.plantsoftheworldonline.org/. Retrieved on November 21, 2021.

The above distribution map for the genus Euphorbia is from Plants of the World Online. Areas in green are where species in the genus are native and purple where they have been introduced.

There is a lot of useful information online about many genera and species in this family. I am not going to do an extensive write-up at this time, but the following links are a good place for you to start. The links take you directly to the information on the genus Euphorbia. The data on these websites may not be the same. It depends on their sources and when and how they make updates. 

I have identified a couple of wildflowers in the genus on the farm and have experience with several succulents in the genus as well. You can click on the plant names under the photos to go to their own pages.

If you have any comments, questions or suggestions, I would like to hear from you. You can leave a comment about the error or email me at thebelmontrooster@yahoo.com.

FOR FURTHER READING:
PLANTS OF THE WORLD ONLINE
WORLD CHECKLIST OF SELECTED PLANT FAMILIES
FLORA OF NORTH AMERICA
WIKIPEDIA
GARDENIA
GARDENING KNOW HOW
THE NATIONAL GARDENING ASSOCIATION
MISSOURI BOTANICAL GARDEN

Euphorbia corollata (Flowering Spurge) on 8-7-19, #612-12.

I first photographed and identified the Euphorbia corollata (Flowering Spurge) on my farm in 2018. Euphorbia corollata is a perennial that grows up to around 3’ in height. Common names include Flowering Spurge, Prairie Baby’s Breath, Wild Spurge, and possibly others. They are a native of Missouri and the mid to eastern half of North America.

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Euphorbia dentata (Green Poinsettia) on 9-24-21, #835-19.

There are 40 acres here on the farm and I never know when or where a new species I haven’t identified will show up. This Euphorbia dentata (Green Poinsettia) showed up in the old foundation where my grandparent’s house used to be. I have never seen it anywhere else here and I wonder how it got in the old foundation… You just never know… Common names include Green Poinsettia, Tooth Spurge, Toothedleaf Poinsettia, and maybe more.

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Euphorbia flanaganii f. cristata (branch cristation) on 9-21-13, #189-3.

I brought my Euphorbia flanaganii f. cristata (Green Coral) home from Lowe’s on April 20, 2013. This species is very fast growing for sure and it soon started growing branches in every direction. The common name for the species is Medusa Plant or Medusa Head because of its snake-like arms which resemble locks of hair. The central stem merges into roots forming a caudex ( or tuberous body) with branches coming from it, which is an example of a Fibonacci spiral.

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Euphorbia hypericifolia ‘Starblast White’ on 8-1-21, #822-10.

I brought my first Euphorbia hypericifolia ‘Starblast White’ home from Wagler’s Greenhouse on June 1, 2014. I use these often in a friend’s combination planters.

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Euphorbia mammillaris (Indian Corn Cob) at 11 3/4″ tall on 8-17-21, #826-19.

I picked up this Euphorbia mammillaris (Indian Corn Cob) as a cutting on March 29, 2019. It has done very well and just keeps on growing.

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Euphorbia nutans (Nodding Spurge) on 10-22-21, #849-12.

I found several Euphorbia nutans (Nodding Spurge) in the south hayfield in 2021. I took photos on September 30 and October 22. I can always tell when I find plants in the plant family Euphorbiaceae even though I may not always recognize the genus and species. Common names include Nodding Spurge, Eyebane, Eyebane Sandmat, and possibly others.

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Euphorbia tirucalli ‘Leland City Hall’ on 6-1-14, #228-36.

I brought this Euphorbia tirucalli (Pencil Tree, etc.) home as a cutting in 2010 (?) from a very large plant at the Leland City Hall when I was living in Leland, Mississippi. I brought it with me when I moved back to Missouri in 2013. It was a neat plant for sure. I named it ‘Leland City Hall’ because that’s where I got the cutting.

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Euphorbia tirucalli ‘Rosea’ (Firesticks) on 7-12-14, #231-52.

This is my other Euphorbia tirucalli called ‘Rosea’. It was given to me by the owner of Pleasant Acres Nursery in Leland, Mississippi in May 2012. The cultivar name is ‘Firesticks’ and the newer upper growth will turn a reddish color if given more sun.

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Euphorbia trigona ‘Rubra’ (African Milk Tree) at 10 3/4″ tall (not including the leaves) on 8-17-21, #826-21.

I found this AWESOME Euphorbia trigona ‘Rubra’ at a local greenhouse (Mast’s) on June 18 in 2021. It was 6 1/4″ tall and grew to 10 3/4″ by the time the above photo was taken on September 17. The stems and leaves have a reddish tint and one day when the sun was shining on it, the leaves were glowing red.

 

That’s all I have for the moment for members of the Euphorbia genus I have experience with. I am sure someday there will be more. You just never know…

 

 

 

 

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