Verbena is also called whip tip, iron whip, white whip, malaria whip, phoenix-necked grass, purple-capped grass and wild Schizonepeta tenuifolia. The whole plant contains verbascoside, tannin and volatile oil, and the root and stem species contain stachyose, and the leaf species contain adenosine and b-carotene. Properties: Bitter taste, cold nature, liver and spleen meridians entered.

Perennial herbs. The height is 30 ~120cm. The stems are square, and the nodes and edges are covered with bristles. The leaves are opposite, nearly sessile, the leaves are ovoid to obovate or oblong-lanceolate, the basal leaves are often coarsely serrated and notched, most of the stem leaves are 3-parted, the lobes have inconspicuous coarsely serrated edges, and both sides are covered with bristles, especially on the lower veins. Spikes are slender, terminal or axillary; There are L ovular subulate bracts under each flower; Calyx tubular, membranous, 5-dentate; Corolla tubular, lavender to blue, 5-lobed, nearly 2-lipped; Stamens 4, inserted in the middle of corolla tube, 2 strong, filaments short; Ovary superior, 4-loculed. Capsule oblong, exocarp thin, 4-valved when mature. The flowering period is from June to August, and the fruiting period is from 7 to11month.

Chinese name

verbena

foreign name

Verbena officinalis L.

Sexual taste

Bitter and cold

Meridian tropism

Entering liver meridian and spleen meridian

function

Clearing away heat and toxic materials, promoting blood circulation and removing blood stasis, and promoting diuresis