It is the grass stoneworm,

Alias: manna seed, drip dew, ground silkworm, manna child, earth centipede, pagoda cabbage, snail children's vegetables, earth wormwood, earth ginseng, soil Rui Zi, hairy vegetables, wind child grass, ground bullock grass, ground New Zealand, screw vegetable

Plant height of 15 to 25 centimeters, the stem is square, the whole plant densely covered with fine hairs, the leaves are opposite, long ovate, the apex is obtuse, serrated edge

Often used as ornamental plants, because of the shape of the baby silkworms, quite peculiar, between 1996 and 2000, the community pseudo-claimed to be fresh "Cordyceps sinensis" and fame, the price is high, many people are cheated and still do not know, but after the promotion of the current has become an emerging vegetable.