Ikuhomon

(Japanese tree peony - White Flowering group) Waved petals. Large size. White sheath with exposed green ovaries. Late Midseason. Long leafstalks. Sparse foliage.

Imamurasaki

(Japanese tree peony - Purple Flowering group) Cup-shaped flower. Small size. Stigmas and sheath are reddish purple. Midseason. Small plant.

Imashojo

(Japanese tree peony - Red Flowering group) Red on the dark side. The difference in colour cannot he seen without putting this flower and Taiyo together. Inner petals spoon-shaped. Medium size. Midseason. Leaflets narrow and pendulous.

Imayoo

(Japanese tree peony - White Flowering group) Creamy white. Medium size. Late midseason. This creamy colour was prized before the appearance of bright yellow

Lutea hybrids.

Inpumon

(Japanese tree peony - Red Flowering group) Medium size. Pale green ovaries. are exposed. Midseason. No purplish line on the leafstalk. Annual growth is short, jnd the plant is of low stature

Isono-nami

(Japanese tree peony - Black Flowering group) Darkest red. Medium size. Stigmas and sheath dark red. Midseason.

Ito-Hybrid (unnamed)

(Itoh-hybrid from Japan) This Ito hybrid was not named in Japan. The photograph is of the plants remaining in the Keio-hyakkaen Garden in Tokyo. Large size. Midseason. Tall.

Iwato-kagami

(Japanese tree peony - Red Flowering group) Upper parts of petals are shaded. Medium size. Midseason. Vigorous

Iwato-kagura

(Japanese tree peony - Red Flowering group) Upper parts of pelals are shaded. Inner petals are asymmetrical. Medium size. Midseason. Large leallets. Vigorous.

Jia Ge Jin Zi

(Chinese Mudan cultivated in Japan) Slightly lighter than Botan colour. Large size. Midseason. Spreading growth.

Jiao Rong San Bian

(Chinese Mudan cultivated in Japan) Bud has difficulty opening, showing pale green tips of pelals. The open flower is palest pink turning white after full bloom. Medium size. Late midseason.

Jin Fen Yin Lin

(Chinese Mudan cultivated in Japan) Tips of the centre petals sometimes pale green. Medium size. Midseason. Spreading growth.

Jing Luo Bao Zhu

(Chinese Mudan cultivated in Japan) Medium size. Early midseason. Spreading growth

Jitsugetsu-nishiki

(Japanese tree peony - Red Flowering group) Red. Outer 2-4 petals rimmed with creamy-white. White vertical stripes appear occasionally on the outer 1-2 petals. Some flowers have no white edge or stripes. Medium size. Midseason. Red globular sheath. No purplish line on leafstalk.

Jiu Zui Jan Fei

(Chinese Mudan cultivated in Japan) Large size. Early midseason. Flower held upright. Rather narrow leaflets. Tall.

Juro

(Chinese Mudan cultivated in Japan) Medium size. Early midseason. leaflets Spreading growth.

Kagaribi

(Japanese lactiflora) Small size. Midseason. Medium growth.

Kagurajishi

(Japanese tree peony - Red Flowering group) After full bloom upper parts of petals show fading. Inner petals are asymmetrical (Shiihizaki). Medium size. Midseason. Leaflets long and waved. Vigorous.

Kajin

(Japanese lactiflora) Outside petals palest pink turning white after full bloom. Medium size. Midseason.

Kakoden

(Japanese lactiflora) Outer petals palest pink turning white after full bloom. Medium Size. Midseason.

Kamakura-beni

(Japanese lactiflora) Lower part of centre petals are composed of narrow ones with yellow tips. Medium size. Midseason.

Kamata-fuji

(Japanese tree peony - Purple Flowering group) Flower reddens after full bloom. Large size. Stigmas reddish purple with exposed ovaries. Midseason.

Kamata-nishiki

(Japanese tree peony - Purple Flowering group) Upper part of petals fades after full bloom. Medium size. Stigmas and sheath reddish purple. Late midseason. Narrow leaflets.

Kamikaze

(Japanese tree peony - White Flowering group) Giant size. Frilled edges of petals. Stigmas and base of filaments pale pink. Late midseason

Kansai Hatsu-hinode

(Japanese tree peony - Red Flowering group) The same colour as Tamamidori. Medium size. Red globular sheath. Midseason .

Kansai Otomenomai

(Japanese tree peony - Reddish-Purple Flowering group) Large size. Stigmas and sheath reddish purple. Midseason.

Kansai Saidei

(Japanese tree peony - White Flowering group) Milky white, flushed faint pink on opening. Purplish red Hares at base of petals Large size, Midseason. Tall

Kansas

Large size. Midseason. Strong tall stems. Named "Kojimano-hikari" in Japan.

Kanshiko

(Japanese tree peony - Remontant Flowering group /Kan Botan) Botan colour. Medium size. Early midseason. Winter blooming late November to mid-January.

Kao

(Japanese tree peony - Red Flowering group) Purplish red. Upper parts of petals turn reddish purple with age. Full double, its pistil hardly visible, yet flowers held erect. On weak branches degree of doubleness is less. Giant size. Late midseason. Vigorous.

Karl Rosenfield

Red slightly inclined to purple. Large size. Midseason. Strong tall stems. Named "Beni-shinano" in Japan.

Kasane-jishi

(Japanese tree peony - Red Flowering group) Darkish red. Large size. Midseason. Vigorous.

Kashokunoten

(Japanese lactiflora) Large size. Early. Strong tall stems. Japanese plant patent granted 1970 but is now expired.

Kasugano

(Japanese tree peony - Reddish-Purple Flowering group) Small size. Stigmas and sheath white. Late midseason. Spreading growth.

Kasugayama

(Japanese tree peony - Remontant Flowering group /Kan Botan) Large size. Early midseason. Winter blooming late November to mid-January.

Kasumiga-seki

(Japanese tree peony - Reddish-Purple Flowering group) Large size. Light reddish-purple stigmas. Midseason.

Kasumino-mori

(Japanese tree peony - Reddish-Purple Flowering group) Opens pale reddish-purple turning nearly white after full bloom. Large size, Midseason. Tall.

Kenreimon

(Japanese tree peony - Red Flowering group) Darkish purple-red, purplish black flares at base of petals. Inside petals frilled giving the flower a particular shape amongst Japanese tree peonies. Large size. Midseason. Lony leafstalks. Sparse foliage.

Kenshunmon

(Japanese tree peony - White Flowering group) Milky white. Large size. Stigmas and sheath white. Midseason. Rather tall.

Kikenjo

(Japanese lactiflora) The stamens have become petals whose edges are light yellow. Small size. Midseason.

Kimigayo

(Japanese lactiflora) Japanese style Small size. Midseason.

Kimino-megumi

(Japanese tree peony - Purple Flowering group) Medium size. Stigmas and sheath light reddish-purple. Midseason.

Kimino-yoroboki

(Japanese lactiflora) Red slightly inclined to purple. Small size. Midseason.

Kimusume

(Japanese tree peony - Red Flowering group) Red inclined to purple. After full bloom the tops of the petals are somewhat faded. Medium size. Midseason.

Kinkaden

(Japanese tree peony - Red Flowering group) Darkish red. Medium size. Midseason. Dwarf.

Kin'no

(Japanese tree peony - Remontant Flowering group /Kan Botan) Outer 2-5 petals rimmed with creamy white. White vertical stripes on 1- 3 outer petals. Reddish black flares at the base of petals. Small size. Early midseason. Winter blooming late November to mid-January.

Kinpukurin

(Japanese tree peony - Striped and Variegated Flower group) Outer 4-7 petals are rimmed with creamy white. White vertical stripes appear on the outer 2-3 petals. Medium size. Midseason. Small plant

Kinran

(Japanese lactiflora) Centre petals palest yellow. Small size. Midseason.

Kinteki

(Japanese lactiflora) The stamens have become petals. Their base is red and the tips are yellow. Medium size. Midseason.

Kirin-maru

(Japanese lactiflora) Small size. Midseason. Short growth

Kirin-nishiki

(Japanese lactiflora) Small size. Midseason. Medium growth

Kirintsukasa

(Japanese tree peony - Reddish-Purple Flowering group) Large size. Broad rounded petals. Stigmas and sheath reddish purple. Midseason.

Kogyoku

(Japanese tree peony - Red Flowering group) Large size. Late midseason. Tall and vigorous.

Koikagura

(Japanese tree peony - Red Flowering group) Purplish red. After full bloom upper parts of petals are somewhat faded. Inner petals small and asymmetrical. Medium size Early midseason. Sparse foliage.

Koi

(Japanese tree peony - Reddish-Purple Flowering group) Large size. Pale reddish-purple stigmas. Midseason. Narrow leaflets. Sparse foliage. Tall

Kokamon

(Japanese tree peony - Black Flowering group) Outer 2-5 petals rimmed creamy-white Medium size. Stigmas and sheath white. Midseason.

Kokijishi

(Japanese tree peony - Red Flowering group) Red inclined to purple. Inner petals asymmetrical (Shishizaki). Large size. Midseason. Vigorous

Kokko-tsukasa

(Japanese tree peony - Black Flowering group) Darkest red. Medium size. Stigmas and sheath dark red. Midseason. The autumn buds are pale green while those of Hatsugarasu are reddish brown.

Kokonoe-nishiki

(Japanese tree peony - Red Flowering group) A little light colour of red. Outer 2 3 petals are rimmed with creamy-white Small size. Late midseason.

Kokucho

(Japanese tree peony - Black Flowering group) Darkest red. Medium size. Stigmas and sheath dark red. Midseason.

Kokuryu-nishiki

(Japanese tree peony - Striped and Variegated Flower group) Almost all outer pelals are rimmed with creamy white. White vertical stripes appear on outer 2 -5 petals. Medium size. Midseason. Broad and small growth.

Koku-unryu

(Japanese tree peony - Black Flowering group) Darkest red, Stigmas and sheath dark red, Midseason.

Komachijiro

(Japanese tree peony - White Flowering group) Milky white, with pale pink base of flower when first open Cup-shaped flower. Small size. Sheath purplish red and globular. Late midseason. Dwarf.

Konronjishi

(Japanese tree peony - Black Flowering group) Darkest reddish-purple. Medium size. Stigmas and sheath dark reddish-purple. Midseason.

Konronkoku

(Japanese tree peony - Black Flowering group) Darkest red. Small size. Stigmas and sheath dark red. Midseason.

Konron-shibori

(Japanese tree peony - Black Flowering group) Dark red. Outer 2 3 petals rimmed creamy-white. Small size. Stigmas and sheath dark red Late midseason.

Koshino-akane

(Japanese tree peony - Remontant Flowering group /Kan Botan) Large size. Red stigmas and sheath. Early midseason. Winter blooming late November to mid-January. The photograph shows a spring flower.

Koshino-yuki

(Japanese tree peony - White Flowering group) On first opening the base of the flower is faintly flushed pink. Large size. Green exposed ovaries. Late midseason. Vigorous.

Kozan

(Japanese tree peony - Red Flowering group) Medium size. Ovaries are visible. Midseason. Tall and vigorous.

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Kumagai

(Japanese tree peony - Reddish-Purple Flowering group) Dark reddish purple flares at the base of the petals,. Large size. Stigmas and sheath reddish purple. Midseason. Vigorous.

Kumoizaka

(Japanese tree peony - Purple Flowering group) Botan colour. Medium size. Stigmas and sheath white. Midseason. Waved leaflets. Dwarf.

Kun Shan Ye Guan

(Chinese Mudan cultivated in Japan) Tips of centre petals sometimes pale green. Medium size. Late midseason.

Kurikawako

(Japanese tree peony - Remontant Flowering group /Kan Botan) Medium size. Reddish black flares at the base of petals. Reddish purple stigmas and sheath. Early mid season. Winter blooming late November to mid-January. Broad leaflets.

Kyokko

(Japanese lactiflora) Medium size. Midseason. Strong stems.

Lan Tian Yu

(Chinese Mudan cultivated in Japan) Stamens mixed with the inner petals. Medium size. Early midseason. Spreading growth.

La Tendresse

Large size. Midseason. Strong tall stems. It has been cultivated in Japan for many years for cul flowers.