The leaves of Brazilian iron are soft, and its drooping is obvious. It is arched and drooping, and the common one is gold heart or edge. The length of the leaf is about 40-90cm, the width is about 6-10cm, the edge of the leaf is undulating, with a certain luster, bright green.
Yemeni iron leaves are very hard, and not very drooping, it is inclined to extend the shape of the leaves longer than the former. Its shape is oval, and some are oblong. Both sides of the leaves are green.
The flower of Brazilian iron is light yellow with a certain fragrance. Yemeni iron flowers for yellow green, its petals are very small, in June to August every year will bloom.