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 in length. 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
