''Elatostema umbellatum'' is a species of flowering plant in the nettle family (
Urticaceae
The Urticaceae are a family, the nettle family, of flowering plants. The family name comes from the genus ''Urtica''. The Urticaceae include a number of well-known and useful plants, including nettles in the genus ''Urtica'', ramie (''Boehmeri ...
). It is native to Japan, where it is found from the
Kantō region
The is a geographical area of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba and Kanagawa. Slight ...
westward.
Its natural habitat is in moist, deeply forested places in the mountains.
[
It is a perennial, growing 20 to 30 cm tall. It has serrated leaves, 3 to 6 cm long, with up to 5 teeth per side. It produces ]umbel
In botany, an umbel is an inflorescence that consists of a number of short flower stalks (called pedicels) that spread from a common point, somewhat like umbrella ribs. The word was coined in botanical usage in the 1590s, from Latin ''umbella'' "p ...
s of small flowers in from March to May.''Elatostema japonicum''
Prof. Summer's Web Garden
It is similar to the wider-ranging and more robust ''
Elatostema involucratum'', which has been considered a variety of ''Elatostema umbellatum'' by some authors (as ''E''. ''umbellatum'' var. ''majus'').
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References
{{Taxonbar, from=Q15547985
Elatostema