✵The article records the herb Barberry Root, including its English name, Latin name, Pinyin name, property and flavor, and botanical sources—five plant species: (1) Berberis poiretii Schneid., (2) Berberis sargentiana Schneid., (3) Berberis veitchii Schneid., (4) Berberis soulieana Schneid., and (5) Berberis vernae Schneid. It provides a detailed introduction to the botanical features, growth characteristics, and ecological environments of these five species, as well as the macroscopic features of the herb Barberry Root, its pharmacological actions, medicinal efficacy, and administration guidelines.
Radix Berberidis (Barberry Root)
Pinyin Name: Sān Kē Zhēn
English Name: Barberry Root
Latin Name:Radix Berberidis Property and Flavor: Cold, bitter
Brief Introduction: The herb Radix Berberidis is the dried root of Berberis soulieana Schneid., Berberis wilsonae Hemsl., Berberis poiretii Schneid., or Berberis vernae Schneid., used similarly to Coptis chinensis (Huang Lian, "Golden Thread"). It is commonly known as Barberry Root, Root of Chinese Barberry, or Sān Kē Zhēn.
Botanical Source: Common herbal classics define the herb Radix Berberidis (Barberry Root) as the dried root, stem, cortex, or tree bark of plant species in the genus Berberis Linn. (family Berberidaceae, order Ranunculales). The five commonly used species are: (1) Berberis poiretii Schneid., (2) Berberis sargentiana Schneid., (3) Berberis veitchii Schneid., (4) Berberis soulieana Schneid., and (5) Berberis vernae Schneid. These five species are described below.
(1) Berberis poiretii Schneid.
Botanical Description:Berberis poiretii Schneid. is commonly known as Xi Ye Xiao Bo, Thin-leaf Berberis, or Zhen Que. It is a deciduous shrub that grows up to 1–2 meters tall. Old branches are taupe (dust-colored), glossy; young branches are puce (purplish-brown) and densely covered with black verrucous protrusions. Spines are short and small, usually simple; spines at the lower end of old or main branches are sometimes trifurcated and 4–9 mm long. Leaves are tufted, sessile, and chartaceous (papery); leaf blades are narrow-oblanceolate or lanceolate-cochleariform, 1.5–4 cm long and 5–10 mm wide; the apex is acute, the base is cuneate, and the margin is entire. The upper surface is emerald green (bright green); the undersurface is pea green (pale green) or celadon (grayish-green), with pinnate venation.
Racemes are pendulous, 3–6 cm long, and bear 6–20 flowers. There are 6 sepals—petaloid (petal-shaped)—arranged in two whorls, oblong or obovate. Flowers are yellow, reddish on the outside, 6 mm in diameter; there are 6 petals, obovate and slightly shorter than the sepals; 6 stamens, about 1.5 mm long; the ovary is cylindrical, containing 2 ovules; the style is absent; the stigma is capitate and flattened.
Berries are oblong, about 9 mm long, and red at maturity. Seeds are obovate; the seed surface is smooth and atropurpureus (purple-black). The flowering period is from May to June; the fruiting period is from July to August.
Ecological Environment: The shrub grows on sunny, sandy hills, hillsides or mountain slopes, roadsides, or sun-facing stream banks.
Characteristics of the Herb: The root of Berberis poiretii Schneid. is cylindrical, branched, and slightly twisted, 0.3–1.2 cm in diameter. The surface is yellowish-brown and coarse, with longitudinal wrinkles and rootlet scars; part of the bark is scaly and revolute (rolled outward) or exfoliated. The herb is hard and firm in texture; the fracture surface is fibrous. In cross-section, the cortex is narrow and yellowish-brown; the xylem (wood portion) is canary-yellow (bright yellow). The herb is odorless and tastes bitter.
Medicinal efficacy: Clears heat, dries dampness, drains fire, and detoxifies. It is indicated for damp-heat dysentery and diarrhea, jaundice, eczema, ulcers and sores, aphthous ulcers, red eyes, sore throat, etc.
Administration of Radix Berberidis (Sān Kē Zhēn):
Reference:
Administration Guide for Radix Berberidis (Sān Kē Zhēn)
TCM Books:
(1) Internally: 9–15 grams; (2) Internally: water decoction, 0.5–1 liǎng (≈15–30 grams; fresh herb: 2–4 liǎng, ≈60–120 grams), or prepared as a powder and taken with wine; topical application: finely ground herb powder applied externally; (3) Internally:water decoction, 0.5–30 grams, or taken with wine; topical application: appropriate amount of finely ground herb powder applied externally.
Contraindications, Precautions, and Adverse Reactions: Radix Berberidis should be used with caution in cases of spleen- and stomach-deficiency cold.
(2) Berberis sargentiana Schneid.
Botanical Description:Berberis sargentiana Schneid. is commonly known as Ci Hei Zhu (meaning "thorn black-pearl"), Huang Jing Ci (meaning "thorn of Solomon’s seal"), or Hei Shi Zhu (meaning "black stone bead"). It is an evergreen shrub that grows up to 1–3 meters tall. The stem is cylindrical; internodes are 3–6 cm long. Young branches are reddish; old branches are sallow (grayish-yellow) or tan (chocolate brown), sometimes bearing sparse, distinct wart-like spots. The plant is spiny; thorns are firm and hard, trifurcated, and 1–3 cm long. Leaves are simple, alternate, or clustered in threes; they are subsessile and coriaceous. Leaf blades are oblong-elliptic or oblong-lanceolate, 4–10 cm long and 1–3 cm wide; the apex is acute and tipped with small spines; the base is cuneate; the margin bears 15–25 spinose serrations, with a serration interval of 2.5–4 mm; venation is reticulate and dense.
Flowers occur in clusters of 3–10; pedicels are 1–2 cm long; bracteoles are lanceolate. There are 6 sepals—oblong or oval (egg-shaped). Flowers are primrose yellow (pale yellow), about 1 cm in diameter; there are 6 petals, the apex is slightly concave, with two nectary glands at the base; 6 stamens, about 4.5 mm long, opposite the petals; the ovary is cylindrical, containing 2–3 ovules; the stigma is capitate and flattened; the style is absent.
The berry is oval (egg-shaped) to subglobose, picine (blue-black), 6–7 mm long and 4–6 mm in diameter; the stigma is persistent. The flowering period is from April to May; the fruiting period is from June to July.
Ecological Environment: The shrub grows on sunny hillsides and mountain slopes, wastelands, roadsides, and in mountain thickets, at altitudes of 1,000–2,000 meters above sea level.
Characteristics of the Herb: The root of Berberis sargentiana Schneid. is cylindrical, slightly twisted, and branched, 0.3–0.7 cm in diameter. The surface is taupe brown (gray-brown), with longitudinal wrinkles and rootlet scars; the grayish-yellow xylem (wood portion) is exposed where the cortex has exfoliated. The herb is hard in texture; the fracture surface is fibrous. In cross-section, the cortex is thin and brown; the xylem (wood portion) is yellow. The herb is odorless and tastes bitter.
(3) Berberis veitchii Schneid.
Botanical Description:Berberis veitchii Schneid. is commonly known as Lan Guo Xiao Bo or Blue-berry Berberis. It is a deciduous shrub. Young branches are reddish; old branches are primrose yellow (pale yellow) and bear small wart-like spots. Thorns are trifurcated and thick, 1.5–3.5 cm long. Leaves are lanceolate, 5–11 cm long and 1–2 cm wide; the apex is acuminate; the margin bears 10–24 spinose serrations; the upper surface is dark green; the undersurface is pale green and glossy.
Flowers occur in clusters of 2–10; pedicels are 1.6–3.5 cm long; bracteoles are oval (egg-shaped) and about 2 mm long; the outer sepal is oblong-ovate and slightly reddish-brown; the middle and inner sepals are obovate; petals are obovate, with a rounded and obtuse apex and clawed bases; stamens are about 4 mm long; the ovary contains 4–5 ovules.
Berries are ovoid to elliptic, glaucous (covered with a bluish waxy bloom), without a persistent style.
Ecological Environment: The shrub grows in mountain thickets.
Characteristics of the Herb: The root of Berberis veitchii Schneid. is cylindrical, conspicuously twisted, and branched, 0.15–0.6 cm in diameter. The surface is brown, with conspicuous longitudinal wrinkles and rootlet scars. The root is hard in texture; the fracture surface is fibrous; the cortex is narrow and brown; the xylem (wood portion) is canary-yellow (bright yellow). The herb is odorless and tastes bitter.
(4) Berberis soulieana Schneid.
Botanical Description:Berberis soulieana Schneid. is commonly known as Mao Ci Xiao Bo ("Cat-thorn Berberis"), Jia Hao Zhu Ci, or Ni Hao Zhu Ci ("false porcupine quill"). It is an evergreen shrub that grows up to 2 meters tall. The stem is erect and much-branched. Young branches are primrose yellow (pale yellow), with a few wart-like spots; they are spiny and trifurcated, 1–2.5 cm long. Leaves are clustered and coriaceous; leaf blades are oblong-lanceolate—rarely oblong-obovate—3–6 cm long and 6–9 mm wide; the apex is acute; the base tapers rapidly into an extremely short petiole; the upper surface is green and glossy; the undersurface is flavovirens (yellow-green); the margin bears 5–18 spinose serrations, 1.5–2.5 mm long, with a serration interval of 3–7 mm; lateral veins are nearly perpendicular to the midvein; veinlets are inconspicuous.
Flowers occur in clusters of 8–20; pedicels are 5–15 mm long; there are two bracteoles, ovate-oblong and about 2 mm long; there are 6 sepals arranged in two whorls; flowers are yellow; there are 6 petals, ovate to obovate; 6 stamens, distinct; the ovary is elliptic, containing 2–3 ovules (rarely 3); the persistent style is 0.5 mm long.
Berries are elliptical, red at maturity, and glaucous (covered with a whitish waxy bloom). The flowering period is from March to April; the fruiting period is from August to October.
Ecological Environment: The shrub grows on hillsides and mountain slopes, roadsides, and forest margins, at altitudes of 600–2,000 meters above sea level.
Characteristics of the Herb: The root of Berberis soulieana Schneid. is cylindrical, slightly twisted, with a few branchlets (rootlets), 10–15 cm long and 1–3 cm in diameter. The root head (apex) is thick and enlarged, tapering distally. The outer bark is taupe brown (grayish-brown), with fine wrinkles and peels off readily. The herb is firm and hard—not easily fractured—and the fracture surface is uneven and canary-yellow (bright yellow). Slices are orbicular or oblong, with a slightly radial texture; the pith is brown. The herb has a slight odor and tastes bitter.
(5) Berberis vernae Schneid.
Botanical Description:Berberis vernae Schneid. is commonly known as Shi Ye Xiao Bo or Teaspoon-Leaf Berberis. It is a deciduous shrub that grows up to 0.5–1.5 meters tall. Branches are thin and ridged; young branches gradually turn purplish-red in late stages, while old branches are dark gray and scattered with black wart-like spots. Spines are usually unbranched, firm and hard, 1–3 cm long. Leaves are 3–8 per cluster; they are often spatulate (spoon-shaped) or spatulate-oblanceolate, 1–5 cm long and 0.3–1 cm wide; the apex is acute (nearly sharp-pointed), sometimes with a small mucro, the base tapers gradually into a petiole, and the margin is usually entire, rarely sparsely serrulate.
Inflorescences are simple racemes, 2–4 cm long, bearing 15–35 densely arranged flowers; pedicels are 1.5–4 mm long; bracts are oblong and slightly shorter than or equal in length to the pedicels. Bracteoles are usually red and about 1 mm long; flowers have 6 petals, which are oval (egg-shaped) or obovate; the flowers are yellow, 3–4 mm in diameter; petals are ellipsoid-obovoid, with an acute apex and two nectary glands at the base; there are 6 stamens, each is about 1.5 mm long; the ovary contains 1–2 ovules.
Fruits are globose berries, faintly red to purplish, glaucous (covered with a waxy bloom), 3.5–4.5 mm in both length and diameter; the stigma is persistent, and the style is absent. Flowering occurs from May to June, and fruiting from August to September.
Ecological Environment: This shrub grows on riverbanks, in Gobi desert habitats, or in shrublands on hillsides and mountain slopes, at altitudes of 300–800 meters above sea level.
Characteristics of the Herb: The root of Berberis vernae Schneid. has similar characteristics to that of Berberis soulieana Schneid.
✵The article records the herb Barberry Root, including its English name, Latin name, Pinyin name, property and flavor, and botanical sources—five plant species: (1) Berberis poiretii Schneid., (2) Berberis sargentiana Schneid., (3) Berberis veitchii Schneid., (4) Berberis soulieana Schneid., and (5) Berberis vernae Schneid. It provides a detailed introduction to the botanical features, growth characteristics, and ecological environments of these five species, as well as the macroscopic features of the herb Barberry Root, its pharmacological actions, medicinal efficacy, and administration guidelines.
Pinyin Name: Sān Kē Zhēn
Botanical Description: Berberis poiretii Schneid. is commonly known as Xi Ye Xiao Bo, Thin-leaf Berberis, or Zhen Que. It is a deciduous shrub that grows up to 1–2 meters tall. Old branches are taupe (dust-colored), glossy; young branches are puce (purplish-brown) and densely covered with black verrucous protrusions. Spines are short and small, usually simple; spines at the lower end of old or main branches are sometimes trifurcated and 4–9 mm long. Leaves are tufted, sessile, and chartaceous (papery); leaf blades are narrow-oblanceolate or lanceolate-cochleariform, 1.5–4 cm long and 5–10 mm wide; the apex is acute, the base is cuneate, and the margin is entire. The upper surface is emerald green (bright green); the undersurface is pea green (pale green) or celadon (grayish-green), with pinnate venation.
Ecological Environment: The shrub grows on sunny, sandy hills, hillsides or mountain slopes, roadsides, or sun-facing stream banks.
Botanical Description: Berberis sargentiana Schneid. is commonly known as Ci Hei Zhu (meaning "thorn black-pearl"), Huang Jing Ci (meaning "thorn of Solomon’s seal"), or Hei Shi Zhu (meaning "black stone bead"). It is an evergreen shrub that grows up to 1–3 meters tall. The stem is cylindrical; internodes are 3–6 cm long. Young branches are reddish; old branches are sallow (grayish-yellow) or tan (chocolate brown), sometimes bearing sparse, distinct wart-like spots. The plant is spiny; thorns are firm and hard, trifurcated, and 1–3 cm long. Leaves are simple, alternate, or clustered in threes; they are subsessile and coriaceous. Leaf blades are oblong-elliptic or oblong-lanceolate, 4–10 cm long and 1–3 cm wide; the apex is acute and tipped with small spines; the base is cuneate; the margin bears 15–25 spinose serrations, with a serration interval of 2.5–4 mm; venation is reticulate and dense.
Ecological Environment: The shrub grows on sunny hillsides and mountain slopes, wastelands, roadsides, and in mountain thickets, at altitudes of 1,000–2,000 meters above sea level.
Botanical Description: Berberis veitchii Schneid. is commonly known as Lan Guo Xiao Bo or Blue-berry Berberis. It is a deciduous shrub. Young branches are reddish; old branches are primrose yellow (pale yellow) and bear small wart-like spots. Thorns are trifurcated and thick, 1.5–3.5 cm long. Leaves are lanceolate, 5–11 cm long and 1–2 cm wide; the apex is acuminate; the margin bears 10–24 spinose serrations; the upper surface is dark green; the undersurface is pale green and glossy.
Botanical Description: Berberis soulieana Schneid. is commonly known as Mao Ci Xiao Bo ("Cat-thorn Berberis"), Jia Hao Zhu Ci, or Ni Hao Zhu Ci ("false porcupine quill"). It is an evergreen shrub that grows up to 2 meters tall. The stem is erect and much-branched. Young branches are primrose yellow (pale yellow), with a few wart-like spots; they are spiny and trifurcated, 1–2.5 cm long. Leaves are clustered and coriaceous; leaf blades are oblong-lanceolate—rarely oblong-obovate—3–6 cm long and 6–9 mm wide; the apex is acute; the base tapers rapidly into an extremely short petiole; the upper surface is green and glossy; the undersurface is flavovirens (yellow-green); the margin bears 5–18 spinose serrations, 1.5–2.5 mm long, with a serration interval of 3–7 mm; lateral veins are nearly perpendicular to the midvein; veinlets are inconspicuous.
Flowers occur in clusters of 8–20; pedicels are 5–15 mm long; there are two bracteoles, ovate-oblong and about 2 mm long; there are 6 sepals arranged in two whorls; flowers are yellow; there are 6 petals, ovate to obovate; 6 stamens, distinct; the ovary is elliptic, containing 2–3 ovules (rarely 3); the persistent style is 0.5 mm long.
Botanical Description: Berberis vernae Schneid. is commonly known as Shi Ye Xiao Bo or Teaspoon-Leaf Berberis. It is a deciduous shrub that grows up to 0.5–1.5 meters tall. Branches are thin and ridged; young branches gradually turn purplish-red in late stages, while old branches are dark gray and scattered with black wart-like spots. Spines are usually unbranched, firm and hard, 1–3 cm long. Leaves are 3–8 per cluster; they are often spatulate (spoon-shaped) or spatulate-oblanceolate, 1–5 cm long and 0.3–1 cm wide; the apex is acute (nearly sharp-pointed), sometimes with a small mucro, the base tapers gradually into a petiole, and the margin is usually entire, rarely sparsely serrulate.
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