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(Upload on January 20 2022) [ 日本語 | English ]

Hypericum L. (オトギリソウ) Ko-otogiri (コオトギリ, 小弟切), Hakone St. John's wort* (tentative) Hakone-otogiri (ハコネオトギリ, 箱根弟切) Lifeform:turfed, perennial forb Distribution: endemic to Japan (Hakone - Fuji - Izu) Habitat: sunny, rocky surfaces Leaf: black and pale glands or black glands at the margin

f. imperforatum Y. Kimura (クロテンコオトギリ) Synonyms: var. rubropunctatum (Makino) Y. Kimura / var. nikkoense (Makino) Y. Kimura ⇒ Hypericum nikkoense Makino (ニッコウオトギリ) var. hachijyoense (Nakai) Ohwi et Okuyama ⇒ Hypericum hachijyoense Nakai (ハチジョウオトギリ)

Hypericum hakonense in Japan

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[1-3] near Kintaro Rock between Togendai and Ubako, Hakone, central Honshu, on August 21 2021.