Pink sorrel

(Upload on December 13 2009) [ 日本語 | English ]

Oxalis articulata Savigny

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

HOME > Plant list (植物リスト) > Oxalidaceae (カタバミ科) > Oxalis articulata

Exotic pink-flowered Oxalis

Five species recorded in Shimizu 2003)
1. large flower = 3-5 cm Φ

2. the top of leaflet = concave / ca 10 flowers per flower stalk ___ O. bowiei Lodd. (ハナカタバミ)
2. the top of leaflet = non-concave / 1 flower per flower stalk ___ O. variabilis Jacq. (フヨウカタバミ)

1. small flower = 1.5-2 cm Φ

2. potato-like tuber in belowground ___ O. articulata Savigny (イモカタバミ)
2. bulb covered by brown scales in belowground

3. white anther ___ O. corymbosa DC. (ムラサキカタバミ)
3. yellow anther ___ O. acetosella L. var. longicapsula Terao (ヒョウノセンカタバミ), native (south to the sourthern part of Hokkaido)

Oxalis articulata in Hokkaido

Oxalis L. (カタバミ)

Imo-katabami (イモカタバミ, 芋片喰), pink sorrel
Lifeform: weedy perennial forb

Distribution: Native to South America (exotic to Japan)
Habitat: roadsids, crop fields, etc.
Anther: yellow ↔ O. corymbosa = white

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[1] a patch. [2] flowers and leaves. [3] close-up of flower. [1-3] at N20/W2, North Ward, Sapporo, on October 19 2009