Hosta 'Ibukiensis'

Hosta ibukiensis (Y. Araki 1942) = H. 'Ibukiensis'

Subgenus Schmid Giboshi Zonneveld  
Section Schmid Nipponosta Zonneveld  
Hosta Library species file Hosta 'Ibukiensis'
Origin Japan, area straddling the border between the Gifu and Shiga prefectures, Mount Ibuku.  See Map
Habitat Mountain slopes.
Japanese name Koba Giboshi = small leaved hosta (= H. sieboldii),

Ibuki Giboshi = Hosta from Mount Ibuki

Plant 30 cm diameter x 25 cm high (12 x 10"). Rootstock thick, rhizomatous; sending out elongated new shoots. 
Leaf Leaf 7.5–12.5 x 2.5–4 cm (4–6 x 1–1.5"), elliptical to oblong, entire, erect and in line with petiole, spreading, lanceolate to oblong-lanceolate, petiole transition gradual, narrowing, decurrent, vernal leaves sub-cordate, acuminate tip, slightly undulate, wavy in the margin, smooth, shiny light, dull dark green above, glossy lighter green below.
4-5 (6)pairs of veins, impressed above, smooth below.
Inflorescense Scape 50–75 cm (20–30"), straight and erect, not bending, light green, no purple marks.
Sterile bracts 2–3, green, first tunicated and clasping stem initially, then unfolding, boat-shaped, persistent; fertile bracts large, navicular, thick-coriaceous, green, not withering at anthesis.
Raceme long, secund, 7-25 flowers, spaced evenly, pedicels short 5mm (0.2").
Flowers in bud very clavate-club-shaped, blunt, 4 cm long, 3 cm broad (1.5 x 1.25"), tepals purple suffused with distinct dark purple stripes, gradually expanding, often recurved and lily-shaped, outer tepals oblong, pointed, inner tepals shorter and less pointed, blunt, inside tepal coloration purple on white, 3 distinct, darker stripes, expanding.
Anthers yellow, white-backed.
Blooming Time July
Fertility Produces seed pods that are obtuse, triangular, truncated tip, with mostly aborted ova; low pollen viability.  Barely fertile
Growing conditions  
Suitable for containers  
Special remarks A H. sieboldii morph
In Hosta Mill Collection Yes
Sports None known
Progeny None known