There are two kinds, plate leaf caper and loose leaf caper.
1, plate leaf shepherd's purse
Plate leaf shepherd's purse is also called big leaf shepherd's purse, Shanghai local varieties. The plant collapses and grows, with a spread of 18 centimeters. Leaf blade light green, large and thick, leaf length 10 centimeters, width 2.5 centimeters, there are about 18 leaves. Leaf margin pinnately lobed, nearly entire, the leaf surface is smooth, slightly tomentose, and the color of the leaves turns darker when encountering low temperature.
This variety of cold and heat resistance are strong, early maturity, fast growth, 40 days after sowing can be harvested, high yield, good appearance and commerciality, fresh flavor. The disadvantage is that the aroma is not strong enough, weak winter, shoots earlier, should not be sown in the spring, for fall cultivation.
2, loose leaf caper
Scattered leaf caper is also called 100 feet caper, slow caper, leaf caper, small leaf caper, broken leaf caper, broken leaf head. The plant collapses and grows, the development degree is 18 centimeters; The leaf blade is green, pinnatisect, the leaf margin is notch deep, 10 centimeters long, the leaf is narrower and shorter, there are 20 leaves or so, green, the leaf margin is pinnatipartite, the leaf surface is smooth and tomentose, the leaf color turns dark, with purple when meets the low temperature.
This variety of cold resistance is medium, heat resistance, strong winter, later than the board leaf caper 10 to 15 days. Strong aroma, taste extremely fresh, suitable for spring cultivation. choline, acetylcholine, etc.?
According to modern scientific analysis, shepherd's purse is not only delicious, but also nutritious, containing protein, fat, dietary fiber, carbohydrates, carotene, vitamin B1, vitamin B2, niacin, vitamin E, vitamin C, calcium, phosphorus, iron, potassium, sodium, magnesium, manganese, zinc, copper and selenium and other ingredients.
Shepherd's purse contains protein, calcium, vitamin C especially, calcium content over tofu, carotene content is similar to carrots. Shepherd's purse for the most delicious flavor of wild vegetables, because it is rich in amino acids up to 11 kinds of.
Baidu Encyclopedia - Shepherd's purse (Cruciferae)
Baidu Encyclopedia - Shepherd's purse (Cruciferae)