What is "jefea"

Jefea is a genus of North American flowering plants in the sunflower family, native to Mexico and the southwestern United States. These are shrubs up to 200 cm (80 inches) tall, with yellow or orange flower heads containing both ray and disc flowers.

1. Jefea brevifolia (A.Gray) Strother - Chihuahua, Coahuila, Nuevo León, Zacatecas, San Luis Potosí, Texas, New Mexico
2. Jefea gnaphalioides (A.Gray) Strother - Tamaulipas, Nuevo León
3. Jefea lantanifolia (S.Schauer) Strother - Tamaulipas, Nuevo León, Querétaro, San Luis Potosí, Hidalgo
4. Jefea pringlei (Greenm.) Strother - Oaxaca, Puebla

see Zexmenia

• Jefea phyllocephala (Hemsl.) Strother - Zexmenia phyllocephala (Hemsl.) Standl. & Steyerm. - Guatemala