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(Upload on October 12 2021) [ 日本語 | English ]

Hydrocotyle L. (チドメグサ), water pennywort Himechidome (ヒメチドメ, 姫血止), Jeju pennywort called in Korea Lifeform: stoloniferous, perennial forb Distribution: Korea (Jeju) - Japan (south to southwestern Hokkaido) Habitat: mesic sites, represented by moist forest floor Flower stalk: non-erect flower stalk Chromosome number: 2n = 24

Synonyms: Hydrocotyle sibthorpioides Lam. var. pauciflora (Y. Yabe) T. Yamaz. Hydrocotyle nitidula, auct. non A. Rich. var. japonica (Makino) M.Hiroe (ミヤマチドメ) leaf base: shallowly-curved in and the two sides are adjoined var. yabei (ヒメチドメ, s.s.) leaf base: deeply-curved in

Hydrocotyle yabei in Japan

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1 2 3
[1-3] near Kintaro Rock between Togendai and Ubako, Hakone, central Honshu, on August 21 2021. Records: on a forest road towards Hyakkennzan Canyons (百間山渓谷), Wakayama Prefecture, on June 26 2024.