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(First upload on September 4 2007. Last on January 10 2017) [ 日本語 | English ]

Oxalis corniculata L.






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

Oxalis L. (カタバミ) in Japan


Stamen: pentadynamous
O. acetosella L. (コミヤマカタバミ)
O. amamiana Hatus. (アマミカタバミ, syn. O. exilis A. Cunn.)
O. articulata (イモカタバミ)
O. barrelieri L. (ハギカタバミ)
Oxalis bowiei Herb. (ハナカタバミ)
O. braziliensis Lodd. ex Knowles et Westcott (ベニカタバミ)
O. corniculata L. (カタバミ)
O. corymbosa DC. (ムラサキカタバミ), syn. O. debilis Kunth ssp. corymbosa (DC.) Lourteig
O. dillenii Jacq. (オッタチカタバミ)
O. exilis A. Cunn. (アマミカタバミ)
O. griffithii Edgew. et Hook. fil. (ミヤマカタバミ)

var. kantoensis (Terao) T. Shimizu (カントウミヤマカタバミ)
f. rubriflora (Makino) Sugim. ex Yonek. (ベニバナミヤマカタバミ)

O. hirta L. (キダチハナカタバミ)
O. obtriangulata Maxim. (オオヤマカタバミ) O. pentaphylla Sims (ゴヨウカタバミ)
O. pes-caprae L. (オオキバナカタバミ)
O. purpurea L. (フヨウカタバミ)
O. stricta L. (エゾタチカタバミ)
O. tetraphylla Cav. (モンカタバミ)
O. versicolor L. (シボリカタバミ)
Diagram
Floral diagram (花式) of Oxyalis

exotic pink-flowered Oxalis

Oxalis corniculata in Hokkaido


Katabami (カタバミ, 片喰), creeping wood sorrel
Oxalis Gr. "sour" (from the acidic taste of the foliage)
corniculata L. "bearing small horns" (from the look of the fruits)
Lifeform: annual - perennial
Distribution: cosmopolitan in temperate and tropical regions
Habitat: ruderal (worldwide weed)
Seed dispersal: animal after self
Synonyms:

Xanthoxalis corniculata (L.) Small

var. trichocaulon Lev. (ケカタバミ): hairy, coastal (Honshu- Ryuku)
f. rubrifolia (Makino) Hara (アカカタバミ): small, purple-red leaf
f. atropurpurea (Planch.) Van Houtte ex Hegi, or f. tropaeoloides (Schalacht.) R. Knuth (ウスアカカタバミ): somewhat purple-red leaf and stem
f. plena Satake (ホシザキカタバミ): petals = 10, sepals = 10
索引

Oxalis1 Oxalis2 Oxalis3
[1/2] near Toya Lake Experimental Station, Hokkaido University, on August 21 2007. [3] along a paved road in Sotogou Park (外濠公園), Tokyo, on November 18 2016.


var. trichocaulon

Oxalis1 Oxalis2
[1/2] at a coastsde in Oi Pier Seaside Park, faced to Keihin Canal, Tokyo, on December 26 2015.


f. rubrifolia

Oxalis1 Oxalis2
[1/2] at N28/E1, East Ward, Sapporo, on July 18 2012.

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