This is the fundamental difference. It is this difference that determines all their differences. The first belongs to the annual plant of Peganum, while the second belongs to the little Peganum. In addition, the first is annual or biennial, while the second is mostly annual.
Although this kind of difference is not easy to see, if you look at it carefully, you may find their subtle differences. First, the length of their stems. The stem length of a year is generally 40-80cm, with a diameter of 2mm to 4mm, and the length of the latter is 50-100cm, which is higher in general. There are also differences in their flowers. First, there are subtle differences in color. The first kind of flowers may be white or light blue, while the second kind of flowers are almost white. There are also the first kind of central bisexual flowers showing tubular, while the second kind is tubular. Of course, these differences are not very obvious, we need to carefully observe
There are subtle differences in this period, but there are not many. The former blooms from June to August and bears fruit from August to October. The latter blooms from June to September, and the fruits begin to mature in July. The peak period of reproduction is in October.
Their harm is very serious. However, they are hosts of different pests.
