Trillium tschonoskii




Family Melanthiaceae (also placed in Liliaceae)
Scientific name Trillium tschonoskii Maximowicz
Synonyms Trillium morii Hayata; Trillium tschonoskii Maximowicz var. himalaicum H. Hara; Trillium tschonoskii Maximowicz forma morii (Hayata) Yamamoto; Trillium tschonoskii Maximowicz var. morii (Hayata) Masamune
Common name (Japanese common name) Miyama-enrei-sou (ミヤマエンレイソウ, 深山延齢草 [meaning: mountain longevity weed]), Shiro-bana-enrei-sou (シロバナエンレイソウ, 白花延齢草 [meaning: white flower longevity weed])
(English common name) none
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) Russia (Sakhalin), Korea, China, Myanmar, Bhtan, India
Habitat Subalpine forest or forest edge
Chromosomal number 2n=20
Description Plants 20-30cm tall. Leaves 6-15cm long, 5-15cm wide. Flowers pedicels 2-3cm long, calyx lobes 18-27mm, petals each 16-27mm long, flowering in May. Fruits 18-24mm across, seeds 2.5mm long. Perennial plants.
References Trillium tschonoskii Maxim.
Trillium tschonoskii Maximowicz



May 2006
at Akagi Natural Park
May 2006
at Akagi Natural Park
May 2006
at Akagi Natural Park



April 2009
at mountane forest
April 2009
at mountane forest