Lagerstroemia yellow leaves can have three reasons: If it is because of natural aging and yellow leaves, then do not worry, continue to do a good job of normal maintenance work can be; If it is because of watering too much, it is necessary to take off the basin treatment, cut off the rotten roots and then plant, daily watering time is not dry, do not water; If the yellow leaves are caused by the invasion of powdery mildew, we should pay attention to the prevention and control work, and spray specific agents to treat them.
1. Different Varieties
Oxalis corniculata belongs to Oxalidaceae, Oxalis genus, also known as trifolic acid, acid Mimi, acid grass, acid grass, spotted acid and so on, it is a kind of herbaceous plant, about 10-35 cm in height, the whole plant is covered with soft hair, the stem is relatively thin, some are erect, some are creeping, it looks much smaller than the latter.
Alfalfa is a leguminous, alfalfa plants, also known as the golden cauliflower, a very wide variety, production is also more.These two plants seem to be similar, but they can be distinguished from each other in essence, and they are not plants belonging to the same family and genus.
2. different leaves
The leaves of Oxalis are palmately ternate, without petioles on the leaflets, inverted heart-shaped, with smooth edges, no serrations, and thicker texture.
Alfalfa is also a ternate compound leaf, but it is pinnate ternate, the shape of the small leaf is long oval or obovate, touch the edge of the leaf with your hand, you will find that the upper part has serrated, and the texture is relatively thin.
3. Different Flowers
The flowers of Oxalis corniculata are more regular, and the petals are more neatly arranged.
Alfalfa flowers are not particularly regular.
