(First upload on July 25 2009. Last on April 17 2023) [ 日本語 | English ]

Stellaria media (L.) Villars

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

Stellaria L. (ハコベ)
Kohakobe (コハコベ, 小繁縷), common chickweed or chickenwort
Hakobe (s.s. ハコベ, 繁縷)
Lifeform: annual or perennial forb
Native range: Eurasia, now widely naturalized throughout the world

exotic to Japan (immigrated after Meiji Era)
Hokkaido Blue List: A2

Habitat: widespread, ruderal

HUSTEP: Plants and Plant communities in Japan (flora list)

Number of styles:

S. media = 3 vs S. aquatica (L.) Scop. (syn. Myosoton aquaticum (L.) Moench) = 5

Chromosome number: 2n = 40, 42 or 44

Alsine media L.
Cerastium medium (L.) Crantz


Stellaria media in Asia

[1] along a coast on Oshima Island in Matsushima Islands, northern Honshu, on March 21 2016. [2] in front of JR Nagasaki Station, western Kyushu, April 16 2017. [3] at the roadside near GSEES on the Hokkaido University Campus, on May 1 2009. [4/5] at N13/W4, North Ward, Sapporo, on April 7 2014. [6] in Arima Onsen (Spa), Kobe City, western Japan, on March 17 2019. [7] under a street tree near Fuji Woman's University, Sapporo, on March 30 2023. Discard: Close-up of flower at a park in the N18/W4 of North Ward, Sapporo, on October 13 2009. So early flowering along a road in N16/E4, North Ward, Sapporo, on March 25 2021. Flowering in front of Otsuka ophthalmic clinic, N16/E4, North Ward, Sapporo, on March 26 2022.