Euphorbia heterophylla

A species historically confused with E. cyathophora, from which it is reliably distinguished by the circular glands of the cyathia. The reddish patches of the bracts typical of E. cyathophora are variable in E. heterophylla, and may be absent, as in my plants below.

Cyathia near Miller Spring in the Peloncillo Mountains, 31 Aug 2008.

Wider view of an inflorescence near Miller Spring, 31 Aug 2008.