Varieties and varieties of Polygonatum polygonatum
Polygonatum commodity according to different properties, divided into "chicken head polygonatum","ginger polygonatum","large polygonatum" three categories.
Rhizoma polygonati irregular conical shape, head and tail thin, shaped like chicken head. 3~ 10cm long, 0.5~1.5cm in diameter. The surface is yellow-white to yellow-brown, translucent, with fine wrinkles and slightly raised wavy links. The stem marks on the ground are disc-shaped, the center is often depressed, and the root marks are mostly point-shaped protrusions. Section light brown, slightly horny, and there are many yellow-white punctate veins (vascular bundle). It has slight smell, sweet taste, stickiness and throat-pricking discomfort.
Rhizoma Polygonati is nodular, with thick and short branches, similar to ginger, 2~18cm long, 2~ 4 cm wide and 1~ 2.5 cm thick. The surface is rough. There are distinct fibrous root marks with verrucous projections. Stem scars are concave disks.
Rhizoma Polygonati is thick and thick, 3~6cm wide and 2~3cm thick. It is more than 10cm long. Each node has a stem base and is concave disc-shaped.
The above are the raw properties of the three kinds of polygonatum. The cooked polygonatum has the same shape as the raw polygonatum, except that the whole is black inside and outside or black inside and has electric veins. It is fragrant and mellow, and tastes pure and sweet without pricking throat.
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How to carry out field management by Huang Jing
(1) weeding should be carried out frequently after weeding and emergence, especially at the seedling stage of sowing fields, so as not to bully the seedlings and affect their growth. (2) the seedlings were too dense when the height of the seedlings was 5-8 cm, and the seedlings were fixed according to the plant spacing of 8-10 cm before withering in autumn or after emergence in the following year. Take the seedlings from time to time to different places for transplanting. (3) drought prevention and drainage Huang Jing likes the soil moist, timely watering in case of dry weather to keep the soil moist; drainage in the rainy season to avoid stagnant water in the field and prevent rot
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Morphological characteristics and suitable environment of Polygonatum polygonatum
The whole plant is hairless. The rhizome is yellowish-white, slightly sweet, fleshy, horizontal, connected by several parts shaped like a chicken head and become a large head and small tail, one end of the stem is more hypertrophy, leaving round stem marks such as corns, nodes are obvious, and the nodes have a few roots. Stem simple, slightly curved, Terete. Leaves usually 4-5 whorled, sessile; leaf blade striate-lanceolate, apex curled, gray below, main veins parallel, central veins stout raised below.
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