Hylodesmus podocarpum subsp. oxyphyllum var.
japonicum f. albiflorum / Shirobananusubitohagi シロバナヌスビトハギ
Hylodesmus podocarpum subsp.
oxyphyllum var. japonicum f. albiflorum : A white version of
Desmodium podocarpum subsp. oxyphyllum var. japonicum is reportedly
scarce. I encountered the one above on a mountainside, in leaf mold,
in the shade of a tree. Its bloom time is July-September.