18 September 2018.
Honshu, Japan
Locality: Saitama Prefecture, Chichibu City; ; Otaki; University of Tokyo Forestry Department Research Station.
Coordinates: 35.9398, 138.8218
(Map it)
Elevation: 881m.
Environment description: Mesic mixed deciduous-coniferous forest; roadside edge; broad northeast-running valley. Soil: rock.
Associated species: Acer pictum:Acer shirasawanum:Arisaema japonicum:Carpinus cordata:Chamaecyparis obtusa:Clethra barbinervis:Deutzia gracilis:Deutzia scabra:Euptelea polyandra:Hydrangea hirta:Hydrangea involucrata:Impatiens textori:Pieris japonica:Prunus apetala:Rhododendron dilatatum:Stewartia pseudocamellia:Wisteria sp.
Aspect: ;
Slope: 45 Degrees;
Soil Texture:
Comment: Shrub. Height 1 m. Bark tan, smooth. Leaves opposite, ovate with elongate tip, coarsely serrate, tufts of hairs in leaf axils, 10 cm long x 5 cm wide. Cyme of capsules in sterile flower.
Collector(s):