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(First upload on April 13 2010. Last on October 21 2016) [ 日本語 | English ]

Salix jessoensis Seemen






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Salix L. (ヤナギ)
Shiroyanagi (シロヤナギ, 白柳), Yeddo willow
Lifeform: deciduous tree < 25 m high
Distribution: northern Honshu and Hokkaido, Japan
Habitat: riverfront (riparian)
Seed dispersal: wind
Synonyms:

Salix dolichostyla Seemen, recently accessed
New combinations for the infraspecific taxa and names of hybrids of S. dolichostyla are presented. Salix dolichostyla has been recorded from the Far East, but is endemic to Japan. Lectotype of S. jessoensis is designated. (Ohashi 2006)

ssp. serissifolia (Kimura) H. Ohashi
Kogomeyanagi (コゴメヤナギ, 小米柳)
Distribution: endemic to Japan (Kanto, Chubu and Kinki District)
Habitat: sunny riversides, wetlands
Synonyms:

Salix dolichostyla Seemen ssp. serissifolia (Kimura) H. Ohashi et H.Nakai, discarded

f. pendula (Okuhara) H. Ohashi et H. Nakai (シダレコゴメヤナギ), discarded

Salix serissifolia Kimura

  • Ohashi H. 2006. Salix dolichostyla Seemen, a correct name for S. jessoensis Seemen (Salicaceae). Journal of Japanese Botany 81: 91-97

Salix jessoensis in Japan


willow1 willow2 willow3
[1-3] near the Institute of Low Temperature Science, Hokkaido University, on October 6 2009. Thank Niiyama-san!
willow3 willow3 willow3
[4-6] along Hirose River close to Sendai International Center, northern Honshu, on March 23 2016.

索引
ssp. serissifolia

ST1 ST2
[1/2] in the salicetums of Botanic Gardens, Tohoku University, Natural Monument Aobayama, northern Honshu, on March 22 2016. [Data] HB. 823. Salix serissaefolia Kimura. Nom Jap. コゴメヤナギ. Hab. Prov. Sagami-Kamakura. Coll. et Donat. Mr. Y. Hasegawa. Plant. 13 Mar. 1985-Jun. 1991. ⇒ bark (樹皮)

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