(First upload on December 22 2007. Last on August 25 2019) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Commelinaceae (ツユクサ科) > Commelina communis
⇒ Engler's syllabus (エングラー体系)
ca 40 genera, and > 650 spp. worldwide, mostly in tropical and temperate regions Commelina L. (ツユクサ) |
Gibasis Raf. (ヒメトキワツユクサ) G. pellucida (M. Martens et Galeotti) D. R. Hunt (ヒメトキワツユクサ) Pollia Thunb. (ヤブミョウガ) Tradescantia L. (ムラサキツユクサ) |
ca 170 species worldwideSpecies in Japan
C. benghalensis L. (マルバツユクサ): west to Honshu |
C. diffusa Burman fil. (シマツユクサ): Below Kyushu (annual) C. auriculata Bl. (ホウライツユクサ): Western Honshu C. communis (ツユクサ): East Asia |
Tsuyukusa (ツユクサ, 露草), Asiatic dayflower Lifeform: weedy, annual forb Distribution: east Asia (including Japan) - northeastern America Habitat: roadsides, croplands, etc. Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) var. hortensis Makino (オオボウシバナ) |
f. candida Hiyama (シロバナオオボウシバナ) var. ludens (Miq.) C. B. Clarke (ホソバツユクサ)f. albiflora Makino (シロバナツユクサ) f. ciliata Pennell (ケツユクサ) f. miranda Hiyama (ウサギツユクサ) f. hebespatha (Nakai ex H.Hara) Sugim. |
|
1
2
3
4
5
6
7
[1] at Toya Lake Station, Hokkaido University, on August 21, 2007. The seed has a specific pattern on germination. [2/3] in a waste land near Muroran Marine Station, Muroran City, on September 12 2016. [4] near Ishikari Coast in the Road Station "Ai-rodo (I-Road) Atsuta" on August 19 2019. [5-7] A parking lot along a radoside at East Ward in the city of Sapporo on August 30, 2008. Records: on a trail adjacent to Toyonaka Park along Shojin River, Sapporo, on September 18 2021.