Abundance: 0.02 to 6.11% (median 1.43%)

Latitudinal range: 30.4° to 35.9°

Habitats: temperate broadleaf/mixed forest (5), tropical/subtropical moist broadleaf forest (1)

Found in 6 samples

China: Mt. Shennongjia

Japan: Chichibu Mountains, River Segire (canopy-closed stands), Aya (2009), Daisen Forest Reserve (opening), Daisen Forest Reserve (closed canopy)

See also Stewartia monadelpha, Stewartia pseudocamellia, Stewartia sinensis