''Sohnreyia excelsa'',

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

''Spathelia excelsa'', commonly called the maypole tree, is one of a genus of palmoid trees (architecturally palm-like in gross form) belonging to the citrus family ( Rutaceae). It is native to the

Amazon basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...

, and was discovered in 1911 by botanical explorer Dr. Ernst H.G. Ule. ''S. excelsa'' is a monocarp producing an immense thyrse high and about wide; the second largest inflorescence of any dicot (after '' Harmsiopanax ingens''). The palmlike leaves are once-pinnate and up to in length.

References

Rutaceae Flora of the Amazon {{rutaceae-stub