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(Upload on October 26 2009) [ 日本語 | English ]

Polygonum L. (タデ) Alaska wild rhubarb Lifeform: deciduous perennial forb I thought this species was similar with Polygonum sachalinense (オオイタドリ) that may occupy the same niche with P. alaskanum in Japan

Distribution: eastern Russia - Yukon Habitat: meadows, slopes and ridges. Widespread after wildfire (森林火災) on Poker Flat Seed dispersal: wind Synonyms: Aconogonon alaskanum (Small.) Sojak. var. glabrescens Hultén

Polygonum alaskanum in Alaska

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1 2 3
[1] a patch (on July 29 2006). [2] a shoot and leaves (on July 30 2006). [3] inflorescences (on July 29 2006). [1-3] At Poker Flat near Fairbanks.