piemarker

piemarker

(Tang materia medica)

[source] it is the whole grass or leaf of Abutilon bicolor.

[plant morphology] Abutilon, also known as white hemp (compendium), green hemp, yeqima, bajiaowu, kongma.

Annual herb, 1-2 meters high, cultivated up to 3-4 meters. Stem erect, pilose. Leaves alternate, heart-shaped, 7-18 cm in diameter, apex pointed, base heart-shaped, margin crenate, both sides densely pilose; petiole 8-18 cm long. Flowers solitary in leaf axils; pedicels 0.8-2.5 cm long, stout; calyx green, lower tubular, upper 5-lobed, lobes oval, apex sharp; petals 5; yellow, slightly longer than calyx, petals with obvious veins; stamens very short; carpels 15-20, 1-1.5 cm long, apically truncated, arranged in whorls, densely covered with soft hairs, each carpel has two long awns expanded and covered with hairs. Capsule dehisces after ripening; seeds reniform, brown, hairy. The flowering period is from July to August. The fruit period is from September to October.

Common in roadsides, fields, wasteland, embankment, or cultivation. It is distributed all over the country.

The root and seed of this plant are also used for medicine. Please refer to the special section for details.

[chemical constituents] the aerial part contains 0.2% rutin.

[nature and taste] commonly used Chinese herbal medicine in Shanghai: "whole herb: bitter, flat. "

[functions and indications] ① Fujian folk herbal medicine: "Ye: treating carbuncle, gangrene, swelling and poison. "

② Common Chinese herbal medicine in Shanghai: "whole herb: detoxification, dispelling wind. Treat dysentery, otitis media, tinnitus, deafness, joint pain. "

[usage and dosage] oral administration: decoction, 0.3-1 Liang. External use: tamping.

[selected formula] for carbuncle, gangrene, swelling and toxin: ramming with fresh leaves of Abutilon and honey. If there is no head, take fresh leaves and brown sugar tamping, oral administration of a fruit, twice a day. (Fujian folk herbal medicine)