(First upload on September 11 2009. Last on April 21 2013) [ 日本語 | English ]

Plantago lanceolata L.

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

Plantago L. (オオバコ)
Hera-oobako (ヘラオオバコ, 箆大葉子), narrowleaf plantain
Lifeform: weedy, perennial forb
Distribution: Native to Europe (exotic to Japan)

Assigned as one of the invasive species to Japan (NIES)

Habitat: ruderal, on roadsides, waste places, and cultivated lands (less tolerant to trampling than P. major)
Seed dispersal: animal (ecto-zoochore)
Chromosome number: 2n = 12
Dried leaf: used for reducing cough
Pollen allergy (花粉症): the amount is small, but pollen-dispersal period is long from May to August
Synonyms, discarded varieties

- var. mediterranea Pilger (オオヘラオオバコ)
- f. composita Farwell (エダウチヘラオオバコ)

Plantago lanceolata in Japan


[1] A whole plant near the Elm Tunnel on August 31 2009. [2] leaves taken at N28/E4, East Ward, Sapporo, on August 30 2009. [3] close-up of an inflorescence at a roadside of N28/E4 on August 30 2009. [4] many shoots soon after snow-melt on April 13 2013 in front of GSES. This species is evergreen here. Also I saw green leaves on Hypochaeris radicata and Trifolium pratense. The white area on top-left side is snow.