Cauda macrophylla

Cauda macrophylla

(records of yam planting in Tianmu, Zhejiang)

[source] it is the root and rhizome of tangsongcao, a Ranunculaceae plant.

[plant morphology] Thalictrum macrophyllum, also known as glauca glauca.

Perennial herbs, 35-110 cm high. Fibrous roots are numerous, thick fibrous, and the surface is covered with yellowish brown hairs. Root leaves 3-3-compound, with long stalks, 18-20 cm long; stem leaves usually 2-3-compound, with short stalks and sheath like base; leaflets broadly ovate or rhomboid, 3-10 cm long, 2-9 cm wide, apex acute or caudal, base broadly cuneate or shallowly cordate, margin coarsely toothed, sometimes 3-lobed at the top, upper surface dark green, and lower surface covered with frost. Inflorescence paniculate, 20-40 cm long; sepals obovate elliptic, 3-4 mm long, white, with purple halo outside, falling early; without petals; stamens numerous; upper part of filaments oblanceolate; carpel 3-5, style slender, stigma thin, hooked inward. Achene narrowly ovate, sessile, ca. 5 mm long, longitudinally ribbed 8, apex attenuate and hooked into a long beak. The flowering period is from August to September. The fruit period is from September to October.

It grows in valley, stream, roadside grass or forest edge. It is distributed in Zhejiang, Jiangsu, Anhui, Jiangxi, Hunan, Henan and other places.

The same genus is Thalictrum Pterocarpus, see "Thalictrum Pterocarpus"; Thalictrum cuspidatum, also known as stalagmite Huanyang, distributed in Zhejiang, Sichuan, Hunan, Jiangxi, Guangdong, Guangxi and Fujian; Thalictrum donghuaense, distributed in Jiangsu, Zhejiang, Jiangxi and Anhui. The above-mentioned varieties are equally used as medicine in Zhejiang folk medicine.

[function indications] for diarrhea, abdominal pain, red eyes, swelling and pain. One or two roots, fried in water, washed sugar, sooner or later before meals each time.