Life … Plants Vascular Plants Dicots Silktassels and Gutta-percha Gutta-percha Family Eucommia Gutta-percha Tree species 510 observations Gutta-percha Tree Eucommia ulmoides Field notes Range United States Greener is more native, amber more introduced; paler is less certain. How this was decided Key traits Layer Trees Light Full sun Moisture Dry Well drained Moist Soil Sand Loam Clay Drought tolerant Yes Habit Erect Rounded Plant type Tree From NC State Extension. Close