Caesalpinia gilliesii or dwarf poinciana, Bird of Paradise Bush. This shrub or small tree, native to sub-tropicalArgentina and Uruguay, seldom exceeds 10 ft. in cultivation and flowers when less than 3 ft. high. The fern-like leaves are divided into tiny leaflets, and short spikes of pale yellow flowers with very long crimson stamens appear in summer. Evergreen in warm, wet climates, elsewhere it is semi-deciduous or deciduous. Zones 9-11