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(First upload on June 18 2011. Last on September 26 2022) [ 日本語 | English ]

Trillium L. (エンレイソウ) Sirobana-enreisou / Miyama-enreisou (シロバナエンレイソウ / ミヤマエンレイソウ, 白花延齢草 / 深山延齢草), Japanese white wake robin Lifeform: perennial herb Distribution: the Himalayas - Sakhalin - Japan Habitat: deciduous (or mixed) forests Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) HUSTEP: Plants and Plant communities in Japan (flora list)

Chromosome number: 2n = 20 var. tschonoskii, the type var. atrorubens Miyabe et Tatewaki (エゾノミヤマエンレイソウ): endemic to Hokkaido var. himaliacum Hara f. cryptopetalum Makino (コバナエンレイソウ) f. violaceum Makino (ムラサキエンレイソウ)

Trillium tschonoskii in Hokkaido

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[1-3] on the south slope of Mount Usu (有珠山) on May 13 2011. [4/5] on the southern foot of Mount Usu, central Hokkaido, on May 8 2019. [6] a short-necked shoot along a trail on Mount Yosomi (四十三山) at the foot of Mount Usu on April 26 2022.