味苦，平。主腰痛，小儿背强，痈肿，安胎，充肌肤，坚发齿，长须眉。其实，明目、
轻身、通神。一名寄屑，一名寓木，一名宛童。生川谷。
《名医》曰∶一名茑。生宏农桑树上。三月三日，采茎，阴干。
案∶《说文》云∶茑，寄生也。《诗》曰∶茑与女萝，或作KT 。《广雅》云∶宛童，寄
生也。寄生KT 也又寄屏，寄生也。《中山经》云∶龙山上多寓木。郭璞云∶寄生也。《尔
雅》云∶寓木宛童。郭璞云∶寄生树，一名茑。《毛诗》云∶茑与女萝。《传》云∶茑，寄生
山也；陆
味辛，平。主腰脊痛，补中，益精气，坚筋骨，强志，除阴下痒湿，小便余沥。久服，
轻身、耐老。一名思仙。生山谷。
《吴普》曰∶杜仲，一名木绵，一名思仲（《御览》）。
《名医》曰∶一名思肿，一名木绵。生上虞及上党、汉中，二月、五月、六月、
九月采皮。
案∶《广雅》云∶杜仲，曼榆也。《博物志》云∶杜仲，皮中有丝，折之则见。
味苦，平。主补中，安五脏，养精神，除百疾。久服，肥健、轻身、不老。生山谷。
《名医》曰∶生武陵，立冬采。
案∶《说文》云∶桢，刚木也。《东山经》云∶太山上多桢木。郭璞云∶女桢也，叶冬
不凋。《毛诗》云∶南山有杞。陆玑云∶木杞，其树如樗（陈藏器作栗），一名狗骨，理白滑
，其子为木虻子，可合药，《司马相如赋》有女贞。师古曰∶女贞树，冬夏常青，未尝凋落
，苦有节操，故以名为焉。陈藏器云∶冬青也。
[Sangshang Jisheng (Mistletoe growing on Mulberry)]
Bitter, neutral. Primarily treats lower back pain, stiffness of the infant's back, carbuncles and swellings, calms the fetus, plumps the skin, strengthens hair and teeth, and promotes the growth of beard and eyebrows. Its fruit brightens the eyes, lightens the body, and communicates with the spirit. Also known as Jixie (寄屑), Yumu (寓木), Wantong (宛童). Grows in rivers and valleys.
*The Divine Farmer's Materia Medica* records: Also known as Niao (茑). Grows on mulberry trees in Hongnong. On the third day of the third lunar month, harvest the stems and dry them in the shade.
Research notes: *Shuowen Jiezi* states: Niao is mistletoe. The *Book of Songs* says: Niao and Nuoluo, some versions write KT. *Guaya* states: Wantong is mistletoe. Mistletoe KT is also mistletoe; Misping is also mistletoe. *Classic of Mountains and Seas: Central Classic* states: Longshan has much Yumu. Guo Pu annotates: It is mistletoe. *Erya* states: Yumu is Wantong. Guo Pu annotates: Mistletoe tree, also known as Niao. *Mao Shi* says: Niao and Nuoluo. The *Commentary* states: Niao is a plant parasitic on mountains; Lu
[Duzhong (Eucommia Bark)]
Pungent, neutral. Primarily treats pain in the waist and spine, tonifies the middle jiao, benefits essence and qi, strengthens sinews and bones, fortifies the will, eliminates itching and dampness in the genital area, and treats dribbling urine. Long-term use lightens the body and resists aging. Also known as Sixian (思仙). Grows in mountains and valleys.
*Wu Pu's Materia Medica* records: Duzhong, also known as Mimian (木绵), also known as Sizhong (see *Taiping Yulan*).
*The Divine Farmer's Materia Medica* records: Also known as Sizhong (思肿), also known as Mimian. Grows in Shangyu, as well as Shangdang and Hanzhong areas. Harvest the bark in the second, fifth, sixth, and ninth months.
Research notes: *Guaya* states: Duzhong is manyu. *Bowuzhi* states: Duzhong has silk in its bark, which appears when broken.
[Nvzhen Shi (Ligustrum Fruit)]
Bitter, neutral. Primarily tonifies the middle jiao, calms the five zang organs, nourishes the spirit, and eliminates myriad diseases. Long-term use makes one robust and strong, lightens the body, and prevents aging. Grows in mountains and valleys.
*The Divine Farmer's Materia Medica* records: Grows in Wuling, harvested at Lidong (Start of Winter).
Research notes: *Shuowen Jiezi* states: Zhen is a hard wood. *Classic of Mountains and Seas: Eastern Classic* states: Mount Tai has much Zhen wood. Guo Pu annotates: It is Nuzhen, leaves do not fall in winter. *Mao Shi* says: There are Qi trees in the southern mountain. Lu Ji annotates: Muqi, its tree resembles Chu tree (Chen Cangqi writes Li), also known as Gougu, with white and smooth grain, its fruit is Mumengzi, which can be used in medicine; Sima Xiangru's Rhapsody mentions Nvzhen. Shigu annotates: Nvzhen tree remains evergreen in winter and summer, never shedding leaves; because it possesses moral integrity, it is named thus. Chen Cangqi says: It is Dongqing (Wintergreen).