(First upload April 5 2009. Last on February 10 2018) [ 日本語 | English ]

Vicia japonica A. Gray

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

Vicia L. (ソラマメ)
Hirohakusafuji (ヒロハクサフジ, 広葉草藤), wideleaf Asian vetch
Lifeform: deciduous, perennial forb
Distribution: Far East - Korea - Japan (east to Mie Prefecture in Honshu - Hokkaido)
Habitat: thickets and grasslands, mostly near seashore (海浜)
var. comosa H. Boissieu (エゾヒロハクサフジ)

Calyx lobe > 3 mm long

var. pallida (Trautv.) H. Hara (ナガボヒロハクサフジ)
Chromosome number: 2n = 12
Synonyms (discarded):

Vicia japonica A. Gray var. oblongifolia A. Gray

f. albiflora Honda (シロバナヒロハクサフジ)

Vicia japonica in Hokkaido

pea1 pea2 pea3
pea4 pea5 pea6
[1] on Kamui Cape, eastern Hokkaido, on June 20 1989. [2/3] in the forecourt of Usujiri Fisheries Station of Hokkaido University, southern Hokkaido. [2] October 4 2017. [3] on October 4 2017. [4/5] in an openland along Ishikari Coast, where a wind power will be established, on September 3 2015. [6] along a seacoast on the bottom of cliff near the Muroran Marine Experimental Station of Hokkaido University on September 11 2017. Records: near JR Akaigawa Station, southern Hokkaido, on July 5 2013. In the forecourt of Usujiri Fisheries Station on August 6 2015 and July 10 2019.