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(First upload on September 27 2010. Last on June 16 2023) [ 日本語 | English ]

Polygonatum Mill. (アマドコロ) P. odoratum (Mill.) Druce (アマドコロ, s.l.) Seed dispersal: animal Edible plant (山菜) var. odoratum (Mill.) Druce (ウスバアマドコロ, Angular Solomon's seal), the type and not distributed in Japan var. maximowiczii (Fr. Schm.) Koidz. Ooamadokoro (オオアマドコロ, 大甘野老) Lifeform: perennial forb, with 60-100 cm tall Distribution: Ussuri - Sakhalin - northern Japan - southern Kuril Habitat: forest floor Leaf: 10-20 cm long and wider than var. pluriflorum, small projection on the veins of leaf backside

Flower: flower = 2-25. cm long Synonyms: Polygonatum maximowiczii Fr. Schmidt var. pluriflorum (Miq.) Ohwi Amadokoro (アマドコロ) Lifeform: perennial forb, with 35-85 cm tall Distribution: common in Honshu and sometimes in Hokkaido Leaf: 8-16 (5-15) cm long Flower: 1.5-2 cm long, < 60 cm high Use: rhizomes used for medicine (revitalizer) by odoratin f. variegatum (Nakai) H. Hara (フイリアマドコロ) var. thunbergii (Morr. et Decne.) Hara (ヤマアマドコロ)

var. odoratum, the type distributed between Europe and Siberia

Polygonatum odoratum in Hokkaido

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var. maximowiczii

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7 8
[1] black fruits in Teshio Experimental Forest, Hokkaido University, northern Japan, on September 13 2010. [2] at Yachidamo Park (Yachidamo = Fraxinus mandshurica), N28E4, East Ward, Sapporo, on May 31 2011. [3/4] in Teshio Experimental Forest on June 15 2011. [5] ] at the western slope of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. [6] in Takoppe Wetland (Hangandate, 判官館), Niikappu Town, south-central Hokkaido, on June 13 2016. [7] near a transplanted forest of Fraxinus mandshurica in the Experimental Forest of the University of Tokyo, Furano, central Hokkaido, on June 28 2017. [8] in West Tomioka Park (富丘西公園) on May 21 2022. Records: on Mount Okobachi (於古発山), where the Otaru-Yoichi wind farm was planned, observed on June 15 2023.

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var. pluriflorum (Miq.) Ohwi (アマドコロ)

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[1-3] in Experimental Station for Medical Plant Studies, Faculty of Medicine, Hokkaido University, on May 8 2023.

f. variegatum (Nakai) H. Hara (フイリアマドコロ)

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[1] in the experimental station of medicinal plant studies, Hokkaido University, on April 23 2021. [2/3] used for gardening: at a small flower bed under a street tree, N25/W4, East Ward, Sapporo, on May 16 2015. [4-6] under a street tree near the JR Kushiro Station, eastern Hokkaido, on June 4 2019.