was found on Honshu and Shikoku Islands of Japan by Mr. Nakai in
1930. It has dark green, lanceolate leaves
that form a medium size (12 to16 inch high by 22 to 32 inch wide)
upright mound. It bears
semi-bell-shaped, medium purple
flowers with purple anthers in September.
The Hostapedia by Mark Zilis (2009), "A plant sold for many years in the U.S. as Hosta
tardiva does not fully conform to the true species and is
now called 'Southern
The New Encyclopedia of Hostas by
Grenfell (2009) states: "Rarely grown in gardens. A plant for serious
Mark Zilis' Field Guide to Hostas (2014)
states that this species was found in Japan on "...hillsides...'