Castanea henryi

Oregon: Clackamas County: Elk Rock Island. Opposite Milwaukie in the Willamette River. South and west sides of island. Elev. 160 ft.
45.43653° N, 122.648427° W,
Datum: WGS 84. Coordinate Source: Digital Map.
Silty soils. Co-dominant canopy of Acer macrophyllum, Pseudotsuga, Quercus garryana. Young tree progeny from nearby very large well-known tree. Many seedlings scattered through forest. A combination of allozyme analysis (C. henryi) and morphological characters (some cupules with more than one nut, lack of scales on parent tree = C. mollissima?) suggests hybrid. Phenology: Flowers.

Dominic Maze 1239, Aug 6, 2019
With Monte Mattsson
HPSU, Accession: 21601