o·co·til·lo 
(ō′kə-tēyō)
(ō′kə-tēyō)n. pl. o·co·til·los
A shrub (Fouquieria splendens) of Mexico and the southwest United States, having long spiny stems and clusters of scarlet tubular flowers.
[American Spanish, diminutive of ocote, a Mexican pine, from Nahuatl ocotl, pitch pine.]
ocotilloFouquieria splendens