Tanaecium truncatum is a species of plants in the family bignonias. They are lianas. They are native to Maranhao, Pará, Acre (Brazil), Tocantins, The Neotropics, Roraima, RondôNia, Amapá, Amazônia, and Mato Grosso. They have capsule fruit.
EOL has data for 9 attributes, including: