Morphological characteristics Herbs perennial, 30-120 cm tall. Stems are square, nearly circular at the base, and bristles on sections and edges. Leaf blade ovoid to obovate or oblong-lanceolate, 2-8 cm long, 1-5 cm wide, basal leaves often with coarse serrations and nicks, cauline leaves mostly 3-parted, lobes with irregular margins Sawtooth, bristle on both sides, especially on the back veins. The spikes are terminal and axillary, thin, and the results are as long as 25-millimeters. The flowers are small, sessile, initially dense, and dissociated when the result; sepals slightly shorter than calyx, hirtellous; calyx ca. 2 mm, bristly, with 5 veins, thin and pale at the venation of the veins; pale purple to blue, 4-8 mm long, with hairs outside, lobes 5; stamens 4, inserted at middle of corolla tube, filaments short; The room is hairless. Fruit oblong, ca. 2 mm, exocarp thin, 4-valved when mature. Flowering from June to August, fruiting from July to October. Soft Comfortable Dressing,Breathable Dressing,Silicone Dressing,Custom Hydrocolloid Dressing Zhende Medical Co.,Ltd , https://www.zdmedicalproducts.com