Wedelia trilobata

Wedelia trilobata

(notes to the classic of Materia Medica)

It's a synonym for crabs.

[source] it is the meat, viscera and fat of crabs or their relatives.

[animal morphology] crabs without teeth

It's all covered in a hard shell. Cephalothorax ca. 3.8 cm long and 4.4 cm wide; square. The width of the forehead is larger than 1 / 2 of the width of the cephalothorax. There is a wide depression in the middle of the front edge and four juxtaposed protrusions in the back of the forehead. The eyes have short stalks and can move; the teeth of the outer eye socket are triangular, and the margin of the dorsal eye socket is smooth and very concave. Lateral margin with smooth carina, edentulous. One pair of claws with a thorn near the end of the dorsal margin of the long segment; the lateral part of the metacarpal segment is covered with scaly granules, and the dorsal margin has a granule carina. Foot 4 pairs, dense with different length of setae. The abdomen is degenerated, the male is triangular, the female is round.

They live on river mudflats and burrow along river banks or ridges. Distributed in Liaodong Peninsula, Jiangsu, Fujian, Taiwan, Guangdong and other places.

[chemical composition] the content of body fat varies with seasons. The content was low in October due to reproductive consumption, then gradually increased, reached the highest value at the end of December, and gradually decreased after hibernation. It gradually increased in April. In May, it dropped to a very low level due to reproduction. During the whole wintering period, the fat content of the female was higher than that of the male. After reproduction, the fat content of the female was close to that of the male. Blood calcium (75 mg% without shell change).

[nature and taste] 1. In the collection of materia medica: "there is little poison. "

② "Compendium": "salty, cold, poisonous. "

[function and indications] 1. In the collection of materia medica: "ointment: apply it to those who are mainly responsible for damp ringworm and gangrene, but not rash. "

② "Seeking the source of Materia Medica": "relieving tetrodotoxin. "