Hosta kiyosumiensis (Maekawa 1935/AHS1993)
|Hosta Library species file||Hosta kiyosumiensis|
|Origin||Japan, from Kanto south to Chubu and Kansai, encompassing the entire central part of Honshu. See Map.|
In the northern areas, the habitat is on relatively dry, low
mountain tops and slopes in wooded areas and under
Further south the species populations occur in moist bottom land along rivers. There the woodland reaches to the riverbanks , where moist rock ledges and cliffs provide a suitable habitat.
|Japanese name||Kyosumi Giboshi the hosta from Mount Kiyosumiyama.|
|Plant||30–45 cm diameter x 25 cm high (12–18 x 10").|
Petiole 7.5–10 cm (0.75"), erect, broadly grooved, keeled,
triangular in cross section, green, at the base barely
Leaf 10–15 x 5–7.5 cm (4–6 x 2–3"), (in the wide-leaved form wider and larger) entire, ovate-elliptical to ovate, truncate at base, very pointed, acuminate, elongated tip, wavy surface, undulate in the margin and finely toothed, thin papery texture, light green, opaque, below, shiny light green. 5–6 (10) pairs of veins, sunken above, very projected, markedly strigose, below.
Scape 30–90 cm (12–36"), straight, erect, perpendicular,
barely purple-dotted at base.
Sterile bracts, 1–3, large, leafy, sheathed at the base, green, similar to H. `Lancifolia'; fertile bracts, 1–3 cm (0.5–1.25") long, 0.5–1 cm (0.25–0.5") broad, ovate lanceolate, navicular, shiny light green, at first imbricate, fresh and persisting at anthesis, but later falling away.
Raceme 35–75 cm (14–31"), 5–20 flowers.
Flowers 5 x 2.5 cm (2 x 1"), medium size, whitish, very slightly purple suffused inside, expanding, funnel-shaped, in the central part dilated bell-shaped, narrow tube long, stamens almost as long as the perianth, style longer projecting beyond perianth.
|Suitable for containers|
|In Hosta Mill Collection||Yes|