Hosta calliantha

Hosta calliantha (Y. Araki 1942)

Subgenus Schmid Giboshi Zonneveld  
Section Schmid Nipponosta Zonneveld  
Hosta Library species file Hosta calliantha
Origin Japan, central part of the Kyoto Prefecture and eastern part of the Hyogo Prefecture.  See Map.
Habitat Wet bottom lands in valleys.
Japanese name Fuji Giboshi = dark purple hosta, referring to the flower
Plant 40 cm diameter x 40 cm high (16 x 16")
Leaf Petiole 15–30 cm long (6–12"), erect, green, broadly winged, starting at the base, widening and merging into the leaf base.
Leaf 7.5–12 x 2.5–5.5 cm (3–4" x 1–2"), oblong-elliptical, erect, decurrent to petiole with very gradual transition, flat, smooth, shiny dark green above, tip obtuse.
3–5 pairs of veins, very impressed above, projected below.
Inflorescense Scape 50–80 cm (20–32") long, straight, erect, perpendicular to ground, not bending, light green.
Sterile bracts 3–4, small, clasping stem; fertile bracts short, blunt, navicular, green, densely tunicated on the bud, bud clavate (club-shaped), bracts not withering at anthesis.
Raceme long, 7–19 flowers, widely spaced.
Flowers 5 cm long, 3.5 cm broad (2 x 1.5"), purple-striped, purple, thin narrow tube, perianth dilated, bell-shaped, lobes half open, pedicels 0.5 cm, slightly projecting stamen. Anthers yellowish, with some purple spots.
Blooming time August/September
Fertility Very fertile
Growing conditions Needs lots of moisture.
Suitable for containers It probably is
Special remarks Very rarely seen in collections; plants grown under this name often are some other plant, belonging to the H. sieboldii complex.
In Hosta Mill Collection No
Sports None known
Progeny None known