Yellow Oleander, Be-Still or Lucky Nut Tree (Thevetia spp.).
Yellow oleander (T. peruviana) is a perennial branched shrub or tree growing 30 ft (9 m) tall with dark green, glossy, alternate linear leaves up to 6 inches (15 cm) long and 1/2 inch (1 cm) wide containing a milky sap. The yellow to orange, showy, 5-petalled tubular flowers are produced in clusters at the ends of branches. T. thevetioides is similar but tends to be much larger and has larger yellow flowers. Fruits are fleshy and triangular, turning yellow to black when ripe. Both species, native to tropical America, are widely cultivated in the southern United States and Hawaii, and are a potential source of cardiac glycoside poisoning to all animals.
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