Hosta densa (F. Maekawa 1938) = H. 'Densa'
|Hosta Library species file||Hosta 'Densa'|
|Origin||Japan, limited to Kii Peninsula in Mie en Shiga prefectures, southern of Suzuka Mountain Range. See map.|
|Habitat||On relatively dry, low mountain slopes in wooded areas and under sub-shrubs in moist bottom land along rivers.|
|Japanese name||Keyari Giboshi. The keyari is a kind of feudal pike.|
|Plant||45–55 cm diameter x 35–40 cm high (18–22 x 14–16").|
Petiole 22.5–30 cm (9–12"), erect, green, purple-dotted at
the base, deeply grooved.
Leaf 17.5–30.5 cm x 10–20 cm (7–12" x 4–8"), erect and in line with petiole, entire, ovate-elliptical to ovate-cordate, cuspidate, petiole-leaf transition cordate, truncate, acuminate tip, flat surface, but undulate-wavy along the margin, opaque dark green above, lighter green below.
8–10 (12) pairs of veins, closely spaced, sunken above, very projected, smooth, below.
Scape 60 (90) cm (24 (36)"), 0.5 cm (0.2") thick, straight,
later inclining, green, lightly purple-spotted at base.
Sterile bracts very large, navicular, thin, membranous, soft, green some turning white, pointed; fertile bracts whitish.
Raceme short, tight, with up to 40 flowers very densely arranged
Flowers 5 cm long, 2.5 cm broad (2 x 1"), medium size; tepals white, but slightly purple suffused inside, later fading to all-white, expanding, funnel-shaped, in the central part dilated bell-shaped, tepals spreading straight to the axis of perianth, stamens not very superior, equal or slightly shorter than perianth; narrow part of the perianth never grooved.
Anthers bi-color purple-yellow.
|Suitable for containers|
Possibly an interspecific hybrid of a H. montana form and a
H. kikutii form.
The true H. 'Densa' is seldom seen in cultivation.
|In Hosta Mill Collection||No|
are registered as being of H. 'Densa' progeny, but this is incorrect.