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Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

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

(First update on Sept. 15 2008. Last on Feb. 27 2011)

Common Purslane
Portulaca oleracea L. [Portulacaceae]

Suberihiyu (スベリヒユ)

Life form: annual - perennial
Habitat: sunny sites, e.g., crop field, waste ground, roadside verge
Widespread weed in cool to tropical regions. However, this plant could be used as vegetable.
Photosynthetic type: CAM (crassulacean acid metabolism)


Portulacaceae L. in Japan

Montia L.

Japan has two native species in this family.

M. fontana L. (ヌマハコベ)
M. perfoliata (Willd.) Howell (ツキヌキヌマハコベ): exotic

Portulaca L.

P. grandiflora Hook. (マツバボタン)
P. okinawensis Walker et Tawada (オキナワマツバボタン)
P. oleracea L. (スベリヒユ): native, the others in this genus are exotic to Japan
P. pilosa L. (ヒメマツバボタン)
P. quadrifida L. (タイワンスベリヒユ)

Talinum Adans.

T. crassifolium Willd. (ハゼラン): exotic


Portulaca oleracea in Hokkaido

ST ST
A parking lot along a radoside at East Ward in the city of Sapporo on August 30, 2008. [Left] A whole plant. [Right] Close-up.


References

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