Bistorta tenuicaulis
is a perennial herb that reaches 15-25cm in height, found in forests
of mountainous regions. Its radical leaves are ovate or
orbicular-ovate, 2-10cm long, the tips pointed and the margins
entire, and the bases abruptly tapering off to both sides of long
pedicles. Spikes, 2-4cm long, emerge on the tips of flower stalks.
Flowers, lacking petals, have sepals cleft deeply into five
segments; stamens, 8 in number, pop out; anthers are red. Bloom
time: April-May.
Wild plants in and around Shimane
島根とその周辺の野生植物
