''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 (''Boehmeria ...

). It is native to Japan, where it is found from the

Kantō region The is a geography, geographical region of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures of Japan, prefectures: Chiba Prefecture, Chiba, Gunma Prefe ...

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 UMBEL (Upper Mapping and Binding Exchange Layer) is a logically organized knowledge graph of 34,000 concepts and entity types that can be used in information science for relating information from disparate sources to one another. It was retired ...

s of small flowers 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'').

References

{{Taxonbar, from=Q15547985 Elatostema Endemic flora of Japan Plants described in 1846 Taxa named by Philipp Franz von Siebold Taxa named by Joseph Gerhard Zuccarini