Euphorbia Horrida Flower

A Euphorbia horrida (one of the prickly plants) on the shelves just inside the front window burst into bloom:

Euphorbia Horrida - flowers
Euphorbia Horrida – flowers

The flowery part looks unappetizing, but some critter must find the blooms attractive:

Euphorbia Horrida - flower - side
Euphorbia Horrida – flower – side

The small reddish balls look like the desert equivalent of nectar, as they’re viscous to the point of solidity:

Euphorbia Horrida - flower resin - top
Euphorbia Horrida – flower resin – top

I’m unwilling to experiment, but the resin ought to very sweet, lethally toxic, or wildly hallucinogenic. Maybe all three at once?