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H. ‘Urajiro Izu Iwa’ (R) 2009 (2018)
Status: Published

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AHS, K. Walek-Hosta-Images

Registered Clump Photo

AHS, K. Walek-Hosta-Images

Registered Leaf Photo

Item 1

Registered Clump Photo

Item 1

Registered Leaf Photo

H. ‘Urajiro Izu Iwa’

Unknown (ONI) AHS, K. Walek (R)

Plant: 30in (76.2cm) diameter; 10in (25.4cm) high; mound-like to upright; fast growth rate

Leaf: 6.5in (16.5cm) long; 5.5in (14.0cm) wide; 9 to 11 vein pairs; dark green heavily rippled margins; slightly shiny on top; glaucous bloom underneath; ovate with cordate base; deeply wavy to nearly serrated, lightly cupped, moderately folded

Scape: 18 to 20in (45.7 to 50.8cm) high; green

Scape Bracts: inflorescence leaves

Flower: 1.3in (3.3cm) long; deep lavender, deep lavender; bell; Fairfax Station, VA; 8/1 - 8/15 - 9/1

Seed: sets viable seeds, green pods

Clump History: a division of the original; 7 years old; Fairfax Station, VA

Notable Characteristics: common usage has been H. longipes var. latifolia 'Urajiro Hachijo' but see editors note in 2009 Registration Issue.

Pod Parent: a white-backed phenotype of H. longipes var. latifolia collected on Izu Peninsula

Pollen Parent: N/A

Sport Parent: N/A

Seasonal Color Change: N/A

Section Class: III-1

Patent/PBR Number: N/A

Additional Comments:

2009 Editor's Note: W. George Schmid writes: "Since Urajiro means "with white-backed leaves" we can register a new name for H. longipes var. latifolia 'Urajiro Hachijo'.  Since Hachijo is the Japanese academic name for H. rupifraga, we cannot use it.  Besides, it is NOT a white-backed form of H. rupifraga.  We cannot use the Japanese academic name Iwa Giboshi in the cultivar name, but we can use the name H. longipes var. latifolia 'Urajiro' (the broad-leaved rock hosta with white-backed leaves), thus Urajiro is not an adjective and we can use it for a cultivar name.  Amagi Iwa Giboshi and Izu Iwa Giboshi are two different forms of H. longipes var. latifolia but not differentiated as varieties for forma.