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Helwingia japonica, a deciduous shrub inhabiting damp
locations along mountain rivers, hills, or mountains, has trunks in
bundles and branches well at upper parts. It grows to 1-3m in height
with smooth green barks. Leaves are alternate, with blades measuring
3-16cm long, 1.5-6cm wide, and broad-oblong, with tips tail-like to
pointed and bases obtuse or broadly cuneate. Margins are with
shallow serrations, the tips growing to awns toward glands. Light
green flowers set themselves on approximately central positions of
midribs; male flowers 4, and females generally 1, occasionally 2-3.
The flowers measure 4-5mm across, and the petals are
oval-triangular. Bloom time: April-May. |
Wild plants in and around Shimane
島根とその周辺の野生植物
