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The classification of corals has been discussed for millennia, owing to having similarities to both plants and animals. Aristotle's pupil Theophrastus described the red coral, korallion, in his book on stones, implying it was a mineral, but he described it as a deep-sea plant in his Enquiries on Plants, where he also mentions large stony plants that reveal bright flowers when under water in ...
The conspicuous, even dramatic coral trees are widely used as floral emblems. cockspur coral tree (E. crista-galli) is the national flower of Argentina and Uruguay. The coastal coral tree ( E. afra ) is the official city tree of Los Angeles , California , where it is referred to simply as the "coral tree". [ 13 ]
Erythrina crista-galli, also known as the cockspur coral tree, ceibo (in Spanish) or corticeira (in Portuguese), is a species of flowering tree in the family Fabaceae, native to Argentina, Uruguay, Bolivia, southern Brazil and Paraguay. It is widely planted as a street or garden tree in other countries, notably in California.
Erythrina variegata, commonly known as tiger's claw [2] or Indian coral tree, [3] is a species of Erythrina native to the tropical and subtropical regions of eastern Africa, the Indian subcontinent, northern Australia, and the islands of the Indian Ocean and the western Pacific Ocean east to Fiji.
Erythrina fusca is a species of flowering tree in the legume family, Fabaceae. It is known by many common names, including purple coraltree, gallito, bois immortelle, bucayo, and the more ambiguous "bucare" and "coral bean". E. fusca has the widest distribution of any Erythrina species; it is the only one found in both the New and Old World.
Nephtheidae is a family of soft corals in the phylum Cnidaria. Members of this family are known as carnation corals, tree corals or colt soft corals. They are very attractive and show a wide range of rich and pastel colours including reds, pinks, yellows and purples. They are popular with reef aquarium hobbyists. [2]
Characteristics [ edit ] Members of the family Oculinidae are characterised by having the walls of the corallites (the cups which house the polyps ) being composed of solid walled though rather fragile tubes connected by a smooth skeletal material called coenosteum .
Members of the genus Melithaea are arborescent colonial corals forming fan, bush or tree shapes. The axis or main skeletal "trunk" is jointed, there being nodes, flexible horny joints, separated by internodes composed of hard, calcareous material. The branches divide off at the nodes which are often swollen.
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