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(First upload on July 8 2011. Last on August 15 2017) [ 日本語 | English ]

Veronica arvensis L.






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

Veronica L. (クワガタソウ)
Tachi-inunofuguri (タチイヌノフグリ, 立犬ノ陰嚢), corn speedwell or wall speedwell
Life form: weedy annual/biennial forb
Distribution: native to Africa, Asia and Europe (exotic to Japan, reported from Tokyo in 1870s)
Species          Growth form    Size (cm)  Teeth    Flower
                                                    stalk

V. persica Poir. stoloniferous  30-50,     deep     > leaf
                                covered
V. arvensis L.   erect          10-15      shallow  ≈ 0

索引
Habitat: disturbed areas, such as parse ground vegetation, rocky glades, lawns, and roadsides

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Flower: no peduncle ↔ V. opaca, peduncle = 5 mm long
Leaf: dimorphic (linear - rounded)
Seed dispersal: wind by wing
Chromosome number: 2n = 16

Veronica arvensis in Hokkaido


ST1 ST2 ST3 ST4
ST5
[1] a top of shoot with flowers along a pedestrian road at N13/W5, North Ward, Sapporo, on June 20 2011. [2] near JR Toya Station, faced to Funka Bay, on June 11 2013. [3/5] at a roadside of Sarobetsu Wetland Center, northern Hokkaido. [3] on May 21 2014. [5] on May 27 2017. [4] in an wasteland near Sapporo Subway 12th Station, North Ward, Sapporo, on 20 2017.

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