''Myrcia guianensis'' (pedra-ume-caá) is a species of plant in the genus ''

Myrcia ''Myrcia'' is a genus of plants in the family Myrtaceae, containing about 765 species as of 2022. They are distributed in Central and South America, Mexico, and the Caribbean, with centers of diversity in the Brazilian Cerrado and Atlantic Forest ...

'' of the family

Myrtaceae Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All speci ...

native to South America. This species shows allelopathic effects on germination and radicle and hypocotyl growth of weeds. Isolated compounds related to this inhibition are gallic and

protocatechuic acid Protocatechuic acid (PCA) is a dihydroxybenzoic acid, a type of phenolic acid. It is a major metabolite of antioxidant polyphenols found in green tea. It has mixed effects on normal and cancer cells in ''in vitro'' and ''in vivo'' studies. Biolo ...

s.Allelopathic potential of Myrcia guianensis. Souza Filho A.P.S., Santos R.A., Santos L.S., Guilhon G.M.P., Santos A.S., Arruda M.S.P., Muller A.H. and Arruda A.C., Planta daninha, vol. 24, no. 4, Oct./Dec. 2006, This species is found in association with

endophytic fungi An endophyte is an endosymbiont, often a bacterium or fungus, that lives within a plant for at least part of its life cycle without causing apparent disease. Endophytes are ubiquitous and have been found in all species of plants studied to date; ...

.Endophytic fungi from Myrcia guianensis at the Brazilian Amazon: distribution and bioactivity. Elissandro Fonseca dos Banhos, Antonia Queiroz Lima de Souza, Juliano Camurça de Andrade, Afonso Duarte Leão de Souza, Hector Henrique Ferreira Koolen and Patrícia Melchionna Albuquerque, Braz. J. Microbiol., vol. 45, no. 1, São Paulo , 2014

References

External links

* guianensis Flora of South America {{Myrtaceae-stub