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Please Identify Euphorbia

last year

Can someone identify the species of this plant? It looks similar to Euphorbia grandicornis, but the stems are narrow. It does leak a white sap when cut. The spines are very large

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Jay 6a Chicago

last year

There are very similar Euphorbia species like Euphorbia virosa, and E. virosa has similar looking yellow flowers lkke E. corulescens. You would need to look closely at the flower structure. I dont think you would want to go though all that trouble. I grew a similar Euphorbia a few years ago one summer and it developed rot because of the rain and humidity here in the midwest. Many of the succulent ceropegiads/stapelliads are the same in that you can only ID them by their flowers. Ill have to study the difference in the branching of both species. It's not jumping out at me.

Euphorbia virosa

Ephorbia virosa

Euphorbia coeulescens.

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Comments (8)

Jay 6a Chicago
last year
It looks like Euphorbia corulescens..
westes Zone 9b California SF Bay thanked Jay 6a Chicago
fig_insanity Z7b E TN
last year
I'm not up on the euphorbias, but Jay's ID is reasonable. Has it ever bloomed? Do you have a photo of the bloom? That would help confirm the ID.
westes Zone 9b California SF Bay thanked fig_insanity Z7b E TN
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Jay 6a Chicago
last year
I agree about the flowers. There are so many succulent Euphorbia species, that have evolved. Their

radiation is similar to the milkweed family Aclepiadoideae. Above Euphorbia coerulescens in flower. Below are other succulent Euphorbia.
westes Zone 9b California SF Bay thanked Jay 6a Chicago
westes Zone 9b California SF Bay
Original Author
last year
@Jay 6a Chicago Yes, this is Euphorbia coerulescens.

Unfortunately, I do not have a flowering photo.
westes Zone 9b California SF Bay
Original Author
last year
@Jay 6a Chicago I am saving this conversation so I can record the information about E virosa. I think E virosa has more of a candelabra appearance, with symmetrical arms around the spine, all with a similar growth pattern. E coerulescens looks more haphazard in its growth. Mine looks very haphazard in its growth pattern. To be honest, I need to find a different place for it because it is just too big for the narrow pot where I have it. It's dangerous putting that next to a bench.
westes Zone 9b California SF Bay
Original Author
last year
@Jay 6a Chicago What kind of soil did you use for the E coerulescens that died out? Was it in a pot? Have you tried gritty mix?
Jay 6a Chicago
last year
I think I grew the Euphorbia corulescens in a gritty mix.
westes Zone 9b California SF Bay thanked Jay 6a Chicago