(First upload on August 1 2014. Last on December 26 2022) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Linaceae (アマ科) > Linum usitatissimum
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One native speies in Japan, including Hokkaido L. amurense Alef. (マンシュウアマ) L. bienne Mill. (ヒメアマ) L. flavum L. (ヤマブキアマ) |
L. grandiflorum Desf. (ベニバナアマ), showy pink flower L. medium (Planch.) Britton (キバナノマツバニンジン) L. nutans Maxim. (モウコアマ) |
L. perenne L. (シュッコンアマ), perennial (blue) flax L. stelleroides Planch. (マツバニンジ), native L. striatum Walter (アレチアマ) L. usitatissimum L. (アマ) |
Linum L. (アマ)L. usitatissimum L.Ama (アマ, 亜麻), flax or linseed Numegoma (ヌメゴマ, 滑胡麻) Lifeform: well-branched annual forb Distribution: southern Central Asia - Arabia (cultivated in Hokkaido and not in the other resions in Japan) broadly cultivated in Hokkaido during Meiji and Showa Era to obtain linen |
Habitat: escaped Leaf: narrow lanceolate (狭披針形) Use: linseed oil (or flaxseed oil), food, fiber, etc. |
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[1-4] at a bridge on Sosei River, N10/W1, North Ward, Sapporo. [1-3] on June 2 2014. [4] on October 9 2014. [5/6] under a street tree, N22/W2, North Ward, Sapporo, on May 22 2017. Records: under a street tree in N19/W4, North Ward, Sapporo, on June 2 2020. under a street light in N21/W4, North Ward, Sapporo, on May 24 2021.
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Shukkon-ama (シュッコンアマ, 宿根亜麻), perennial (blue) flax Lifeform: perennial forb |
Flower: 3-4 cm in diameter > L. usitatissimum |
Leaf: lanceolate (披針形) |
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[1-3] in Experimental Station for Medical Plant Studies, Faculty of Medicine, Hokkaido University. [1] on August 25 2022. [2/3] on August 30 2022.