Suoyang, a perennial succulent parasitic herb of the family Suoyangaceae, is chlorophyll-free, reddish-brown, 15–100 cm tall, and mostly buried in sand.
On the root of the Suoyang parasitic root are the suoyang buds of varying sizes, initially nearly spherical, and later oval or long cylindrical, 6–15 mm in diameter, with most of the whiskers and shedding scales.
The cylindrical, erect, tanned stems, 3–6 cm in diameter, buried in sand have small whisker roots, especially at the base, with slightly thickened or expanded stems. The stem is arranged in a spiral-like arrangement of exfoliated scaly leaves, denser in the middle or at the base, and gradually thinned upwards; the scaled leaves are ovate triangular, 0.5–1.2 cm long and 0.5–1.5 cm wide, with an apex tip.
The inflorescence is borne at the top of the stem, protruding from the ground, rod-shaped, 5–16 cm long and 2–6 cm in diameter; on it grows very dense florets, male, female and intersexed, aromatic, scattered scaly leaves in the inflorescence. Male flowers: flowers 3-6 mm long; the flower moths are usually 4, detached or slightly conjunctive, inverted lanceolate or spoon-shaped, 2.5-3.5 mm long, 0.8-1.2 mm wide, white in the lower part, purple-red in the upper part; honey glands are nearly inverted, bright bright yellow, 2-3 mm long, with 4-5 blunt teeth at the apex, half-embracing filaments; stamens 1, thick filaments, dark red, beyond the corolla when the flowers are in full bloom, up to 6 mm long; anther T-shaped, dark purple-red, rectangular inverted ovate, about 1.5 mm long; pistil degenerate. Female flowers: flowers about 3 mm long, flower discs 5-6, lanceolate, 1-2 mm long, 0.2 mm wide; peduncle-like, about 2 mm long, upper purple-red; stigma flattened; semi-lower ovary, containing 1 top of drooping ovules; male flowers degenerate. Hermaphroditic flowers are rare: flowers are 4–5 mm long; the tremors are lanceolate, 0.8–2.2 mm long and about 0.3 mm wide; stamens 1, which grow above the lower ovary between the pistil and the indument; the filaments are extremely short, and the anthers are the same as the male flowers; and the pistils are also the same as the female flowers.
The fruit is small nut-shaped, most of them are very small, each plant produces about 20,000-30,000 grains, nearly spherical or oval, 0.6-1.5 mm long, 0.4-1 mm in diameter, the peel is white, and there are pale yellow flower pillars at the apex. The seeds are nearly spherical, about 1 mm in diameter, dark red, and the seed coat is hard and thick.
Lock yang is generally sown and propagated. The reproductive process of Suoyang is different from that of ordinary plants and is very similar to that of humans and animals. Every year in May and June, Suoyang begins to emerge from the ground and begins to mature in July and August. The male and female parts of the same plant pollinate each other and produce seeds. Lock anode seeds are extremely small, microscopic observation of its shape like a human fertilized egg, 1,000 grains weigh only about 2 grams.
It can be excavated in both spring and autumn, preferably in spring. Between March and May, when Suoyang has just been excavated or is about to emerge from the sand, the quality is the best. After harvesting, the inflorescence is removed to avoid the consumption of nutrients, continue to grow and flower, break into knots, placed on the beach in the sun, turned once a day, and can be dried for about 20 days. Or half-buried in the sand, even with the sand scalding, let it dry. There are also a few areas where slices are sliced and dried when fresh. Autumn harvest is more watery, not easy to dry, dry after the quality is harder.
Suoyang is a dry, fleshy stem of the plant Suoyang in the family Suoyang. Spring digging, removal of inflorescences, cut into sections, sun-dried.
Lock yang drug form, this product is flat cylindrical, slightly curved, 5 ~ 15 cm long, 1.5 ~ 5 cm diameter. The surface is brown or tan, rough, with obvious longitudinal grooves and irregular depressions, and some remnants of triangular black-brown scales. Weight, hard, difficult to break, light brown or tan section, yellow triangular vascular bundle. The breath is slight, sweet and astringent.
Shi Zhen said: Suoyang out of Suzhou. According to: Tao Jiucheng 'Record of Quitting Farming》 Yun: Suoyang, raw Tartar fields, wild horses or dragons left into the ground, long-term initiation such as bamboo shoots, shangfeng and lower thrift, scales and armor, tendon and vein connection, absolute male yang, that is, meat cistanche and so on. Or the adulteress of the inside, and he joined him, and when he got yin qi, he grew angry. The natives dig and wash, peel and thinly cut and dry to fill the medicine goods, and the power is a hundred times greater than that of cistanche. Shi Zhen suspected that this kind of thing, such as cistanche and ledan, may not all be born of sperm.
Suoyang is distributed in Xinjiang, Qinghai, Gansu, Ningxia, Inner Mongolia, Shaanxi and other provinces and regions of China. It grows in desert grasslands, grassland deserts and desert areas such as rivers, lakes, ponds and other habitats, and has white thorns and salt alkali areas where firewood grows.
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