1、 Flowers

The corolla of blue cloth skirt is generally blue, and the inflorescence is acute angle branched, and is very dense. It is straight upward, set in a panicle without bracts. The length of corolla is about 0.5mm, and the length of corolla is about 5-6mm. The length of calyx is about 2.5-3.5mm, with dense pubescence outside. The lobes are oval or oblong, and the apex is very sharp. The pedicel is 2-3mm long and the Corolla is 5-6mm long. The lobes are round and have very obvious reticular veins

2、 Fruit

Its nutlets are ovoid, slightly concave on the back, dense anchor spines, the edge anchor spines are combined at the bottom, and the length is 3-4mm. The flowering and fruiting period is usually between May and September