Siphocranion macranthum

{{Short description|Species of plant}}

{{Speciesbox

|image =

|genus = Siphocranion

|species = macranthum

|authority = (Hook.f.) C.Y.Wu

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Siphocranion macranthum is a species of flowering plant in the family Lamiaceae. It is commonly known as big-flower siphocranion and tong guan hua in China.{{Cite book |last=Quattrocchi |first=Umberto |url=https://books.google.com/books?id=-37OBQAAQBAJ&dq=Siphocranion+macranthum&pg=PA3458 |title=CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology (5 Volume Set) |publisher=CRC Press |year=2016 |pages=3458|isbn=9781482250640 }} It is a perennial herb that is native to Assam, Myanmar, Tibet, Vietnam, South China and East Himalayas.{{Cite web |title=Siphocranion macranthum (Hook.f.) C.Y.Wu {{!}} Plants of the World Online {{!}} Kew Science |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:459141-1 |access-date=2023-04-11 |website=Plants of the World Online |language=en}} S. macranthum grows in subtropical evergreen and mixed forests.{{Cite web |title=Siphocranion macranthum in Flora of China @ efloras.org |url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200020417 |access-date=2023-04-11 |website=www.efloras.org}}