Coral Plant in various color
Russelia equisetiformis (Coral plant) is a multi-branched subshrub with slender, rushlike stems that are angled with ridges and leaves that are reduced to little more than small scales. The wiry branches start out erect then fall over to cascade down in lengths as long as 4 ft (1.2 m).
From spring until fall outdoors and all year long indoors, coral plant produces hanging clusters of scarlet tubular flowers about 1 in (2.5 cm) long that look like little firecrackers inspiring the plant's other common name, firecracker plant. 
Coral plant is native to Mexico. It has escaped cultivation and established in disturbed sites in central and southern Florida and in other warm climate areas.
The other popular name are kembang Air Mancur, Letup-letup, kembang petasan (Indonesia)
Culture
Grow in a humus rich, well drained soil and fertilize regularly. This flower needs Full sun or partial shade. It also needs water regularly and don't let the soil dry out.
Propagation
Easy to propagate from tip cuttings.
Usage
Coral plant is often grown in hanging baskets. It does well on the patio or indoors in front of a window. Outdoors, let coral plant spill over a wall or raised bed. Stems can be tied to a trellis or wall.
Coral plant is fast growing, easy to cultivate and blooms almost continuously. This plant is a must have for tropical butterfly gardens.
Another tender perennial, is also sometimes called firecracker plant as well as cigar plant. It too is a fine butterfly and hummingbird plant and looks great planted with this firecracker plant.
