Flowers born singly or in pairs in leaf axils, usually with short and slightly thick pedicels, sparsely sessile; Calyx is globose, 4-lobed, lobes oblong-lanceolate, corolla white, funnel-shaped, 4 stamens, inserted in the throat of Guan Jian, alternate with corolla lobes, filaments flat, anthers ovate, style 2-3 mm long, stigma 2-lobed.
Capsule oblate, 2-2.5 mm in diameter, ventral dehiscence, persistent calyx. The calyx tube is spherical, and the calyx limb lobes are oblong-lanceolate, with a length of 1.5-2 mm, and the tip is tapered and ciliated; The throat is hairless, and the corolla lobes are oval and oblong, with about 10 seeds per chamber, horns and deep and thick pits.
Extended data:
Hedyotis diffusa should be planted on loose fertile loam with low terrain, sufficient sunshine and convenient irrigation and drainage. Apply all kinds of decomposed farmyard manure to each mu of base fertilizer, and evenly spread the base fertilizer into the soil. Shallow plows and shallow rakes are used. The furrows are furrows with a width of 1 m and a depth of 25 cm, and the surface of the furrows is turtle-backed, so as to facilitate irrigation and drainage.
It grows at an altitude of 800 meters, mostly on rocks, and is more common in rice fields, ridges and wet open areas. ? China is made in Fujian, Guangdong, Hongkong, Guangxi, Hainan, Anhui, Yunnan and other provinces; It is distributed in tropical Asia, as far west as Nepal, and also produced in Japan.