A deciduous shrub of the genus Aloe Trifolium,1.5 ~ 3m, with square stems and hard, rough and striped wood. Leaves opposite or whorled, lanceolate, with strong aroma. Flowers arranged in small axillary, dense cylindrical spikes; Calyx is small, 2-lobed, 2-lipped, upper lip 1~2-lobed, lower lip 3-lobed, white inside, red and blue outside; Stamens 4, ovary 2-loculed. The fruit is small and dry. The flowering period is from June to August.

It tastes a little bitter, but it smells good after brewing. It has diuretic effect, stimulates liver and gallbladder function, and reduces weight (not suitable for pregnant women). It is a perennial semi-shrub (Verbena citrifolia) of Verbenaceae, which has lemon fragrance and is the raw material of perfume and sesame oil. Its leaves can treat bronchitis, nasal congestion, sore throat, indigestion and other symptoms.

Verbena is also known as iron whip, Agrimonia purpurea and wild Schizonepeta tenuifolia.

Cauline leaves sessile, mostly 3-parted, sometimes pinnate, with irregular serrations at the edge of lobes. Spikes are terminal or born in the axils of upper leaves. When they bloom, they usually look like whips. Each flower has 1 bract, which is slightly shorter than the calyx and hairy outside. Calyx tubular, 5-toothed; Corolla tubular, lavender or blue, nearly 2-lipped; 4 stamens, strong enemy; Ovary 4-loculed, each locule 1 ovule. When it matures, it splits into four rectangular nuts. The flowering period is June-August, and the fruiting period is July-165438+1October. Roadsides, villages, fields, hillsides. Location: Hubei, Jiangsu, Guangxi and Guizhou. It tastes cold and bitter.

Functions: promoting blood circulation, removing blood stasis, stopping malaria, detoxicating, diuresis and detumescence. Can be used for treating abdominal pain, amenorrhea, dysmenorrhea, malaria, laryngitis, carbuncle, edema and heat stranguria.

Verbena officinalis L.

Three-leaf aloe deciduous shrub, also known as deodorant wood and perfume wood.