What is "adenophyllum"

Adenophyllum is a small genus of plants in the marigold tribe within the sunflower family. It contains ten species known generally as dogweeds.

These are gangly, daisylike or thistlelike plants with yellow or reddish flowers. They are native primarily to the southwestern United States and northern Mexico, where they are most common in desert regions.

1. Adenophyllum anomalum (Canby & Rose) Strother - Sonora, Sinaloa, Durango
2. Adenophyllum appendiculatum (Lag.) Strother - Chiapas, Oaxaca, Guerrero, Colima, Michoacán, Guerrero
3. Adenophyllum aurantium (L.) Strother - Oaxaca
4. Adenophyllum cooperi (A.Gray) Strother - Cooper's dyssodia, Cooper's dogweed - United States ( California Nevada Arizona Utah)
5. Adenophyllum glandulosum (Cav.) Strother - Oaxaca
6. Adenophyllum porophylloides (A.Gray) Strother - San Felipe dogweed - Baja California, Baja California Sur, Sonora, United States ( California Nevada Arizona)
7. Adenophyllum porophyllum (Cav.) Hemsl. - poreleaf dogweed - Mexico, Central America, Cuba, United States ( Cochise County in Arizona)
8. Adenophyllum speciosum (A.Gray) Strother - Baja California, Baja California Sur
9. Adenophyllum squamosum (A.Gray) Strother - Jalisco, Nayarit, Sinaloa, Colima
10. Adenophyllum wrightii A.Gray - Wright's dogweed - Mexico, United States ( Arizona New Mexico)