Trichophorum alpinum




Family Cyperaceae
Scientific name Trichophorum alpinum (L.) Persoon
Synonyms Baeothryon alpinum (L.) T. V. Egorova; Eriophorum alpinum L.; Eriophorum hudsonianum Michaux; Leucocoma alpina (L.) Rydberg; Scirpus alpinus (L.) Dalla Torre & Sarntheim, non Schleicher ex Gaudin; Scirpus hudsonianus (Michaux) Fernald; Trichophorum alpinum (L.) Persoon var. hudsonianum (Michaux) Persoon
Common name (Japanese common name) hime wata-suge (ヒメワタスゲ, 姫綿菅 [meaning: dwarf cotton rush])
(English common name) alpine bulrush, alpine cotton-grass, alpine club-rush
Distribution (Japan) Hokkaido, Honshu (Mt. Hakkoda)
(Other nations) Russia, Europe, Canada, USA
Habitat (Hokkaido) swamp; (Honshu) alpine swamp
Chromosomal number 2n=58
Description Plants culms 10-30cm tall. Flowers spikelets 5-7mm long, flowering in June to July. Perennial plants.
Reference Trichophorum alpinum (Linnaeus) Persoon
Trichophorum alpinum (L.) Pers.
Scirpus hudsonianus
Trichophorum Pers.
Note Rare species.



May 2008
at Hokkaido University
Botanical Garden
May 2008
at Hokkaido University
Botanical Garden