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


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Menyanthes trifoliata / Mitsugashiwa ミツガシワ

Bloom time: May-August

Menyanthaceae /


Species in the genus Menyanthes:

Menyanthes trifoliata / Mitsugashiwa


Menyanthes trifoliata / Mitsugashiwa ミツガシワ


Spreading rhizomes sideways, Menyanthes trifoliata, an aquatic perennial herb, inhabits marshes or swamps in mountainous regions. With long petioles, leaves are three leaflets, each 4-8cm long. Stem tops make racemes, around 30cm in height, and set 10-20 about-1cm-across-white flowers in them; they bloom in order from the bottom to the top. Corollas cleft deeply in 5, and each segment has many twisted white hairs inside. Sepals 5 in number, stamens 5, and pistils 1. Bloom time: May-August.





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