USA, Arizona, Maricopa, Tonto National Forest, Camp Creek, FS trail 413, 0.8 mile south of Bartlett Dam Road 2.7 miles east of Cave Creek Road.
33.83828 -111.77898
773 meters (2535ft)
Larrea tridentata, Chilopsis linearis, Ambrosia ambrosioides, Baccharis sarothroides, Prosopis juliflora var. velutina, Ziziphus obtusifolia, Celtis pallida, Ambrosia eriocentra, Datura wrightii, Encelia farinosa, Euphorbia setiloba, Euphorbia revoluta, Bromus rubens, Ditaxis neomexicana, Brassica tournefortii, Euphorbia arizonica, Ambrosia monogyra, Euphorbia pediculifera, Amaranthus fimbriatus, Amaranthus albus, Erodium cicutarium, Sarcostemma cynanchoides, Marina parryi, Bouteloua aristidoides, Bouteloua barbata var. barbata
Common erect-spreading annual to 40 cm tall. Glands and appendages very small. Cyathia tiny, 2 mm long and 1 mm accross. Stigmas with six branches, yellow. Fruit strongly 3-angled, green with reddish highlights above. Leaves linear, to 1.5 cm long, red-margined, minutely serrate. Stems light green with reddish highlights, nodes slightly swollen.