Guayule
Parthenium argentatum
A desert shrub native to the southwestern United States and Mexico whose stems and roots yield a hypoallergenic natural rubber latex.
Family
Asteraceae
Temperature
20-34°C (absolute 8-49°C)
Rainfall
400-800mm (absolute 250-2100mm)
Altitude
2100m
Soil pH
6-8 (absolute 5.5-8.5)
Soil types
Well-drained sandy or gravelly soils