Japanese plantain*

(Upload on October 22 2022) [ 日本語 | English ]

Plantago japonica Franch. et Sav.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

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Plantago L. (オオバコ)

Tou-oobako (トウオオバコ, 唐大葉子), Japanese plantain* (* tentative)
Iso-oobako (イソオオバコ), Teriha-oobako (テリハオオバコ)
Lifeform: perennial forb
Distribution: endemic to Japan
Habitat: mesic grassalnds near sea coasts
Furit: capsule → containing 8-12 seeds

Leaf: hairless, developing petioles with 3-20 cm long
Chromosome number: 2n = 12
Synonyms

Plantago major L. var. japonica (Franch. et Sav.) Miyabe, including - f. yezomaritima (Koidz.) Ohwi and - f. polystachya (Makino) T. Yamaz.
Plantago togashii Miyabe et Tatew.
Plantago japonica Franch. et Sav. var. yezomaritima (Koidz.) H. Hara, - f. yezomaritima (Koidz.) Kitam. and f. fastigiata Honda
Plantago macronipponica Yamam.

Plantago japonica in Hokkaido

1 2 3
[1-3] along Atsuma Coast (浜厚真), central Hokkaido, on August 2 2022.