Bistorta tenuicaulis is
a perennial herb of 15-25cm in height found in forests in
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 in 5 segments;
stamens, 8 in number, popping out; anthers are red. Bloom time:
April-May. |