|Growth habit of a mature tree|
Erythrina viarium Tod.
Erythrina caffra, the coast coral tree or African coral tree, is a tree native to southeastern Africa, which is often cultivated and has introduced populations in India.  It is the official tree of Los Angeles, California in the United States. 
The leaves are made up of three leaflets. Each leaflet is broadly ovate to elliptical. The leaflets do not have prickles and are hairless.
The flowers are made up of a main petal and four small petals. The main petal curves back to expose the stamens. The flower colour is warm red to scarlet. This is one of the main differences between Erythrina caffra and Erythrina lysistemon. The flowers form stalked axillary racemes up to 100mm long.
The bark is reasonably smooth with thorns every now and then. The younger the branch the sharper the thorns.
Trypsin inhibitor isolated from the seeds of Erythrina caffra
- "Erythrina caffra". ILDIS World Database of Legumes, version 10.01.
- Advisory Committee on Technology Innovation, Board on Science and Technology for International Development, Commission on International Relations, National Research Council (1979). Tropical Legumes: Resources for the Future. National Academy of Sciences. p. 258.
- Werner Voigt Kirstenbosch (October 2006). "Erythrina caffra Thunb". South African National Biodiversity Institute.
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