Trillium, (Trinity Flower, Wood Lily, Wakerobin)
Trillium smallii Maximowicz
[Trilliaceae, or Liliaceae (s.l.)]
APG II: treats as a synonym of Melanthiaceae
Trillium L.
Taxa: 40-50 species in the world
Seed dispersal: ant dispersal
T. apetalon Makino (エンレイソウ) (syn. T. smallii auct. non Maxim.)
var. rubrocarpum J. Samejima, nom. nud. (アカミノエンレイソウ)
T. smallii Maxim. (コジマエンレイソウ) (syn. T. amabile Miyabe et Tatewaki)
var. atropurpureocarpum J. Samejejima, nom. nud. ( クロミノコジマエンレイソウ)
T. tschonoskii Maxim. (シロバナエンレイソウ/ミヤマエンレイソウ)
f. violaceum Makino (ムラサキエンレイソウ)
T. kamtschaticum Pall. (オオバナノエンレイソウ) (syn. T. camschatcense Ker Gawl.)
Hybrids
T. × hagae Miyabe et Tatewaki (シラオイエンレイソウ), tschonoskii × kamtschaticum
T. × yezoense Tatewaki (トカチエンレイソウ), kamtschaticum × apetalon
T. × miyabeanum Tatewaki (ヒダカエンレイソウ), tschonoskii × apetalon
Trillium amabile

On April 24, 2003. The location will not be described, to avoid the extinction. [Right] Close-up.
Trillium kamtschaticum
On May 21 2009. These plants established in the Hokkaido Univesity Campus. Let' find out them, but do not pick up!
References
- Field training on integrated environmental research 統合環境調査法実習
fauna and flora 出現種リスト - General education "Field trip: Nature on lakes, volcanoes, sea and forests"
- HUSTEP: Plants and Plant communities in Japan
flora list - Kurabayashi M, Saho T. 1957. Evolution and variation in Trillium. IX. Chromosome complement in two interspecific hybrids newly found. Cytologia 22: 263-272