Epimedium / Horny Goat Weed

OVERVIEW

What This Record Covers

Epimedium is the dried aerial parts of Epimedium brevicornum and related Epimedium species, low herbaceous perennials of the barberry family that grow in woodlands and mountain meadows across Asia. The distinctive heart-shaped leaflets with spiny margins are harvested, dried, and sold as whole or cut leaves. Several Epimedium species are used in trade, so the Latin name, leaf form, and source region should be recorded. Products range from dried leaves to sheep-oil-processed material, powders, and sexual-health supplements, which are very different records.

English name

Epimedium / Horny Goat Weed

Latin name

Epimedium brevicornum Maxim.

Traditional category

Yang Tonifying

Nature

Warm

Flavor description

Sweet, Pungent

Record identifier

yinyanghuo

IDENTIFICATION

Identification and Image Notes

Epimedium has distinctive heart-shaped leaflets with spiny margins, and several species are used in trade, so the Latin name, leaf form, and source region should be recorded. The dried leaves are green to gray-green with a papery texture, and the spiny margin distinguishes the genus from other broadleaf materials sold as tonics. Leaf shape is an orientation clue, but species identity needs a traceable label, and the aerial herb should not be confused with the root or with unrelated heart-shaped leaves.

Images are for orientation only, not definitive species authentication; confirm species, part, source, and labeling with a qualified professional or authoritative monograph.

TRADITIONAL CONTEXT

Traditional Use in Context

Traditional records discuss Epimedium for kidney yang, sexual health, tendons and bones, and warming movement in traditional texts, often in formulas for fatigue, coldness, and reproductive-health complaints. Classical texts describe the leaves as a warming yang-supporting material that appears in combinations such as Er Xian Tang, where it is paired with Morinda Root, Prepared Rehmannia, and other warming roots for lower-body and menopausal-related language. The sexual-health language is historical and is frequently amplified by modern marketing, so a reader should separate the classical description from product claims and review any supplement with a professional. The reproductive vocabulary does not establish the cause of a symptom such as low energy or low libido, and persistent concerns deserve clinical assessment rather than self-treatment.

PROCESSING CONTEXT

Raw Material, Processing, and Product Form

Leaves may be dried raw or prepared with sheep oil or another specified auxiliary material. Processed and raw material should not be combined into one generic safety statement, and concentrated extracts deserve a separate concentration and ingredient review.

The same name can cover a raw material, decoction piece, powder, extract, or finished product, so record the labeled form rather than assuming it; see the safety review for the questions to ask.

COMPARISON

How This Entry Differs

Compare Epimedium with Morinda Root and Cuscuta Seed for traditional yang-support language, leaf versus root or seed identity, and warming strength. Epimedium is the leaf-based record of the three and the one most exposed to supplement marketing.

Use the related-entry links below to compare identity, part, processing, and safety boundaries — similar categories do not make materials interchangeable.

STUDY METHOD

New to these entries?

Read the four-step method in How to Read a Herb Entry before comparing materials.