Hosta okamotoi (Y. Araki 1942/AHS 1993)
|Hosta Library species file||Hosta okamotoi|
|Origin||Japan, central part of Kyoto Prefecture and the east-central part of Hyogo Prefecture. See Map.|
|Habitat||Adapted to thin soil on a rocky substrate in forested, isolated mountain valleys and on slopes. Occasionally, it can be found growing epiphytically on tree trunks.|
|Japanese name||Okuyama Giboshi = hosta from Mount Okuyama|
|Plant||35–40 cm diameter, 30 cm high (14–16 x 12").|
Petiole 12.5–15 cm (5–6") erect, purple-dotted with each
“dot” being of linear shape.
Leaf 10–12.5 x 5–7.5 cm (4–5 x 2–3"), erect and in line with petiole, entire, subcordate, truncate, petiole transition rounded, cuspidate tip, flat or wavy surface, erect, fleshy-leathery, smooth, green above, lighter, opaque green below.
5–7 pairs of veins, sunken above, very projected, smooth below.
Scape 25–45 cm (10–18"), bending obliquely, purple-dotted
entire length, smooth round.
Fertile bracts 1 cm long (0.3") navicular, thin, membranous, white to whitish green, with spotting or purple-tinted, imbricated, not withering. Raceme 20–25 cm (8–10"), 10-20 flowers, spaced apart.
Flowers outside first light purple then whitish , inside pale purple suffused, held erect in about horizontal position on long, strong horizontal or slightly ascending purple pedicels, perianth 5 cm (2") long, funnel-shaped, expanding, in the central part dilated bell-shaped tepals, spreading straightly to ±angled to the axis of perianth, thin narrow hexagonal tube.
Anthers yellow background, purple dotted, look purple.
|Suitable for containers||Yes|
|Special remarks||Together with H. aequinoctiiantha and H. takiensis, it forms the late blooming part of the H. longipes-complex.|
|In Hosta Mill Collection||Yes|