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