1. Cassia bicolor: it belongs to small arbor, and its branches are very lush. Generally, it begins to have branches and propagates near the ground. Moreover, its branches are very small and grow very disorderly, generally without trunk. Its bark is relatively smooth, and there are some small hairs on the branches and leaves.
2. Cassia: it is an upright shrub, generally 5-7 meters high. But its branches have no hair.
1. Double pod Cassia: it has strong wind resistance, strong germination ability, well-developed root system, and is suitable for growing in moderately fertile acid or laterite soil.
2. Cassia: not resistant to wind, and not resistant to water and depression, its soil requirements are not much, the general fertility of low gentle slope and both sides of the road can adapt to its growth.
1. Cassia bicolor: its flowers contain ten stamens, seven of which are fertile, and the remaining three degenerate without anthers. Of the seven fertile stamens, three are particularly large, taller than its petals, while the remaining four are shorter. Half of the flowering period is from October to November, and the fruit period is from November to march of the next year.
2. Cassia crenata: compared with cassia crenata, its ten stamens are all fertile. And the flowers of the Yellow locust are relatively large, and the petals are bright yellow or dark yellow. The flowering period is long, and it will bloom almost all year round, half of which is from March to December.
1. Double pod Cassia: the leaves are long, and the pods grow in pairs, round and long. The number of leaflets in the compound leaf is three to four pairs.
2. Cassia: the leaves are oblate and oval. The number of leaflets in compound leaves is seven to nine.
1. Cassia bicolor: its fruit is columnar.
2. Cassia: its pods are flat.
