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(First upload on January 15 2015. Last on July 16 2022) [ 日本語 | English ]

[Engler's syllabus エングラー体系]

Scheuchzeriaceae F. Rudolphi (ホロムイソウ)

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formerly merged into Juncaginaceae (シバナ) (e.g., Ohwi & Kitagawa 1983) Scheuchzeria L. (ホロムイソウ) Monotypic (= 1 genus and 1 species)

Flowers: six tepals with inflated sheathing base Stamen: 6 Carpel: 3

Scheuchzeria palustris in Japan

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Horomuisou (ホロムイソウ, 幌向草), podgrass, rannochrush, or Scheuchzeria ⊂ Seven Horomui Herbs (ホロムイ七草) Life form: deciduous forb Distribution: cool temperate in the Northern Hemisphere (the southern limit is isolatedly distributed in Midorogaike Pond (深泥池) in Kyoto)

Habitat: wetlands Two subspecies when established ssp. palustris: north and eastern Europe - northern Asia ssp. americana (Fernald) Hultén.: northern North America

1 2 3
4 5 6
[1] in a post-mined peatland, Sarobetsu mire (サロベツ湿原), northern Hokkaido, on July 14 2022. [2] near Akanuma (Red Pond), Kushiro Moor, eastern Hokkaido, on June 28 2015. [3-6] in a post-mined peatland, Sarobetsu mire. [3] on May 22 2016. [4-6] on June 12 2019. Records: in a post-mined peatland, Sarobetsu mire on July 23 2014.