（宋开宝）
【气味】苦温，无毒。
【主治】主诸风，宣通五脏，去腹内冷滞，心膈痰水，久积症瘕， 癖气块，膀胱宿脓
恶水，腰膝冷疼，疗折伤。久服无有温疾疟。
【核】曰∶出商州上洛山，及华山平泽，今陕西、河东、河北、汴东、江湖州郡皆有。
生处不闻水声者良。生先众草，初起作蔓，茎如钗股而四棱，叶如杨柳而层叠，每层六七叶，
环列如车轮。七月开花六出，浅紫色，或碧白色。作穗似兰台子，及菊花头状。实青色，根
稠密，多须似谷，岁必败朽，次年旁引生苗。年久转茂。一根丛须数百条，长二尺许。九月
采根，湿时色黄黑，干时色深黑，俗呼铁脚威灵。别有一种，根须都一样，根色黄，或白者，
并不堪用。修事，阴干月余，捣末筛过用，忌茗，及面汁。
【 】曰∶有威可畏，有灵可通，仙化迁变，以为体用者也。味苦气温，性秉风火。风
得之而作夏，脉得之而流行，宣发陈，通横遍，空所有，实所无，急方之宣剂通剂也。先人
云∶威武灵奇，仙趣也。其性快，其效速，其力峻，其祸深，如商君之治秦，立 木之命令，
朝示而夕行者也。故主久疲宿冷之痼疾，元阳委顿，犹贯朽粟红，但少设施者，借此便成大
观。倘兵柔饷乏，作此背水阵，终非万全策耳。
（竖穷三际，横遍十方，空诸所有，实诸所无，方尽得仙化迁变，神运无方之妙用。）
[Song Kaibao]
[Flavor and Nature] Bitter, warm, non-toxic.
[Indications] Primarily treats various wind-pathogen disorders, unblocks and promotes the functions of the five zang organs, eliminates cold stagnation in the abdomen, phlegm-fluid retention in the heart and diaphragm, long-standing accumulations and mass formations (zheng jia), pi qi masses (subcostal痞块), pus and foul fluids retained in the bladder, cold pain in the waist and knees, and treats traumatic fractures. Long-term consumption prevents warm diseases and malaria.
[Verification] Says: It grows on Shangluo Mountain in Shangzhou and Pingze in Huashan. Currently, it is found in Shaanxi, Hedong, Hebei, Biandong, and various prefectures in Jianghu. The best quality comes from places where no sound of water is heard. It sprouts before other grasses; initially growing as a vine, the stem is like a hairpin shaft with four edges, leaves are like willow leaves layered in tiers, with six or seven leaves per tier arranged in a circle like a chariot wheel. Flowers bloom in the seventh lunar month, having six petals, pale purple or greenish-white. The inflorescence resembles that of Lantai seeds or chrysanthemum capitula. Fruits are green. Roots are dense with many fibrous roots resembling millet grains; they must decay annually and send up new shoots from the sides the following year. With age, it becomes more lush. One root cluster has hundreds of fibrous roots, about two chi long. Roots are harvested in the ninth lunar month; when fresh, they are yellow-black; when dry, deep black. Commonly called "Iron-foot Weiling". Another variety has identical fibrous roots but yellow or white root color, which is unsuitable for use. Processing: Shade-dry for over a month, grind into powder, sieve, and use. Avoid tea and wheat juice.
[Commentary] Says: It possesses majesty that inspires awe and spirituality that enables penetration, undergoing immortal transformation to serve as its substance and function. Its bitter flavor and warm nature embody the characteristics of Wind and Fire. Wind obtains it to transform into Summer Qi; Pulse Qi obtains it to circulate freely. It disseminates the old, penetrates horizontally and vertically, empties what is excessive, and fills what is deficient. It is a dispersing and unblocking agent in urgent prescriptions. Ancestors said: Majestic, powerful, spiritual, and wondrous, possessing an immortal charm. Its nature is swift, its effect rapid, its force峻猛 (intense/severe), and its potential harm profound. Like Lord Shang governing Qin, establishing the wooden pole to verify trust, orders shown in the morning were executed by evening. Thus, it primarily treats chronic fatigue and entrenched cold pathologies, where Yuan Yang (Primordial Yang) is exhausted, similar to rotten coins and red old grain, merely lacking proper intervention; through this herb, great results can be achieved. However, if military strength is weak and provisions scarce, employing such a desperate "back-to-the-river" formation is ultimately not a foolproof strategy.
(Vertical penetration through the three periods, horizontal coverage across all directions, emptying all excess, filling all deficiency, one can fully attain the miraculous utility of immortal transformation and divine operation without fixed methods.)