Pyrus calleryana. Dwarf wild Calleryana pears, only a few feet high, growing in sterile, decomposed porphyrious rock on a badly eroded mountain top, elevation c.a. 2,000 ft. a.s. This photo certainly illustrates the marvellous drought-resisting capacities of this wonderful Chinese pear.

Neg. No. 13267, near Nan chang yen, Hupeh, China, March 31, 1917

Pyrus calleryana. Dwarf wild Calleryana pears, only a few feet high, growing in sterile, decomposed porphyrious rock on a badly eroded mountain top, elevation c.a. 2,000 ft. a.s. This photo certainly illustrates the marvellous drought-resisting capacities of this wonderful Chinese pear.

Neg. No. 13267, near Nan chang yen, Hupeh, China, March 31, 1917
National Agriculture Library
Special Collections
http://specialcollections.nal.usda.gov/pyrus-calleryana-wild-calleryana-pears