Chamaesyce florida
A diffuse, erect annual, similar in general appearance to Chamaesyce revoluta, but with serrate leaves and larger petaloid appendages on the glands. Present in southern Arizona and southwards.
A cyathium at the Centro Ecologicó de Sonora, Mexico, 28 Oct 2006.
More cyathia at the Centro Ecologicó de Sonora, 28 Oct 2006.
Flowering stems at the Centro Ecologicó de Sonora, 28 Oct 2006.