This is a lot of this in our side of Yunnan, everywhere in the ground, we call ""goose intestine vegetable""
Its scientific name is:
Fan wisps [fán lǚ]?
Alias: goose gut, goose ear stretch, chicken gut, Latin name: Stellaria media (L.) Cyr.? Stapeliaceae, Stapeliaceae is an annual or biennial herb, 10-30 centimeters tall. Stems pendulous or ascending, ± branched basally, often purplish red, covered with 1(-2) series of hairs. Leaf blade broadly ovate or ovate, apically acuminate or acute, base attenuate or subcordate, entire; basal leaves long-petiolate, upper leaves often sessile or shortly stipitate. Sparse cymes terminal; pedicels weak, capsule ovate, slightly longer than persistent calyx, apically 6-lobed, with numerous seeds; seeds ovoid to suborbicular, slightly compressed, reddish brown, 1-1.2 mm in diam. Fl. June-July, fr. July-August