Hosta shikokiana

Hosta shikokiana (N. Fujita 1976)

Subgenus Schmid Giboshi Zonneveld Giboshi
Section Schmid Rynchophorae Zonneveld Rynchophorae
Hosta Library species file Hosta shikokiana
Origin Japan, Shikoku Island, Ehime Prefecture and Kochi Prefecture.  See Map.
Habitat A mountain-dwelling species, growing on wet rock outcrops and ridge lines above altitude ± 3000 ft. (± 1000 m).
Japanese name Shikoku Giboshi = Hosta from Shikoku Island.
Plant  25 cm diameter x 15 cm high (12 x 6"). 
Leaf Petiole 10 cm (4"), erect, green purple-spotted lower half.
Leaf 18–20 cm x 7.5–8 cm wide (7–8 x 3–4"), entire-elliptical, ovate to ovate-cordate, petiole-leaf transition shortly attenuate, no waves or very slight waves in margin, not rugose, shiny green above, shiny lighter green below, tip very pointed, acuminate.
8–10 pairs of veins, closely spaced, projected below and papillose.
Inflorescense Scape 40 cm long (16"), oblique, leaning in the upper part, smooth round, purple-dotted for the most part.
Sterile bracts, 2–3 tightly clasping stem; fertile bracts, lanceolate, navicular, loosely imbricate, not open at flowering, purplish, withering but persistent at anthesis, ±2 cm x 0.5 cm wide ( 0.75 x 0.20").
Raceme short, densely imbricated, 5–8 flowers.
Flowers purple to pale purple, 5 cm long (2"), carried horizontally on strong, 1.2 cm long (0.5") purple pedicels. Perianth expanding, funnel-shaped, in the central part dilated slightly bell-shaped, lobes spreading ±angled to the axis of perianth. Stamens exceeding the perianth.
Anthers purple.
Blooming Time July
Fertility Fertile
Growing conditions  
Suitable for containers  
Special remarks Very rare in collections, and even then often mislabeled.
In Hosta Mill Collection