Handroanthus ochraceus subsp. heterotrichus (DC.) S. Grose Handroanthus ochraceus subsp. heterotrichus (DC.) S. Grose in Syst. Bot. 32(3): 665. 2007 sec. Grose & Olmstead 2007≡Tecoma heterotricha DC., Prodr. 9: 219. 1845 syn. sec. Grose & Olmstead 2007