Wild plants in and around Shimane 島根とその周辺の野生植物


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Trapa japonica / Hishi ヒシ

Bloom time: June-October

Lythraceae /


Species in the genus Trapa:

Trapa japonica / Hishi


Trapa japonica / Hishi ヒシ

Trapa japonica is an annual that grows in colonies in ponds or marshes. Leaves floating on the water surfaces are 3-6cm in length and width, in an overall diamond shape, with glossy surfaces, hairs on the backsides, and petioles. The middle parts of the petioles swell in a spindle way and play the role of bladders. Flowers, white, measure about 1cm in diameter and occasionally tinge light red, with four- petals, sepals, and stamens. Bloom time: June-October.




inserted by FC2 system