Toothed Clubmoss
Parts Usually Used
The dried rhizomes, aerial parts, and whole plant.
Description of Plant(s) and Culture
Huperzia serrata is a small, stemless, perennial herbaceous plant native to the eastern Himalayas. It grows to a height of 30-50 cm with a 5-15 cm long horizontal to oblique rhizome. The leaves are 5-20 cm long, pinnatifid, with 3-lobed lamina and are glabrous. The inflorescence is panicled with white or yellowish flowers. Fruits are capsules up to 6 mm long containing several black seeds.
Where Found
Native to: Eastern Asia (China, Tibet, Japan, Korean Peninsula) Russian Far East Hawaiian Islands (except Maui) India (Arunachal Pradesh, Darjeeling, West Bengal, Sikkim) Nepal Bhutan The plant grows at elevations between 1,700-3,000 meters in temperate regions, preferring acidic soil and moist conditions.
Medicinal Properties
Acetylcholinesterase inhibition Anti-inflammatory Antimicrobial Antioxidant Neuroprotective Memory enhancement Pain relief Antidepressant Antihypertensive Antiarrhythmic Antidiabetic Antihistaminic Antidiarrheal
Biochemical Information
5%) Huperzine B Lycopodine Lycoclavine Serratinine Other alkaloids: Berberine Palmatine Jatrorrhizine Coptisine Columbamine Epiberberine
Uses
In traditional Chinese medicine, herbalists historically used the plant for fever, inflammation, and the management of blood pressure, as well as to assist with memory improvement. In Indian traditions, practitioners employed it for contusions, strains, stomach ailments, and eye disorders.
How Sold
Dietary supplements Capsules Tablets Liquid extracts Powders
Warning
May cause nausea, diarrhea, vomiting, dry mouth, constipation, sweating, and blurred vision Should not be taken with acetylcholinesterase inhibitor drugs Use with caution if taking medications for heart conditions Not recommended during pregnancy or breastfeeding May worsen asthma, COPD, seizure disorders, or GI tract blockages The plant is endangered due to overharvesting and habitat loss Wild populations are declining rapidly Sustainable cultivation methods are needed for conservation