a short-term antimicrobial and disinfecting expectorant, e.g. against PCP in AIDS patients, is yet to be scientifically studied. Handroanthus impetiginosus inner bark seems to have anti-Helicobacter pylori activity. and has some effects on other human intestinal bacteria. Gallery See also Lapacho References External links (1965): Flora analitica do Parana. (1987): Árboles comunes del Paraguay: Ñande yvyra mata kuera. Cuerpo de Paz, Asunción. Pradip Krishen, Trees of Delhi a Field Guide, DK publishers, Page 216, 2006 Pau d'arco, American Cancer Society http://hort.ifas.ufl.edu/database/documents/pdf/tree_fact_sheets/tabimpa.pdf New class of antiangiogenesis (anti-cancer) drugs identified in Tabebuia avellanedae impetiginosus Trees of Mexico Trees of Argentina Trees of Brazil Trees of Bolivia Trees of Paraguay Flora of the Cerrado Medicinal plants of South America Plant dyes Garden plants of North America Garden plants of South America Ornamental trees Trees of Peru Plants described in 1845