Introduction of Nan Sha Shen: Fourleaf Ladybell Root
✵This article documents the herb Fourleaf Ladybell Root, including its English name, Latin name, Pinyin name, properties and flavor, botanical sources—two plant species: (1) Adenophora tetraphylla (Thunb.) Fisch. and (2) Adenophora stricta Miq.—with detailed descriptions of their botanical features, growth characteristics, ecological environments, macroscopic and microscopic characteristics of the dried root (Fourleaf Ladybell Root), pharmacological actions, medicinal efficacy, and administration guidelines.
Radix Adenophorae (Fourleaf Ladybell Root)
Pinyin Name: Nán Shā Shēn
English Name: Fourleaf Ladybell Root
Latin Name:Radix Adenophorae Properties and Flavor: slightly cold; sweet.
Brief Introduction:Radix Adenophorae is the dried root of Adenophora tetraphylla (Thunb.) Fisch. or Adenophora stricta Miq. It nourishes Yin, clears Lung heat, resolves phlegm, and replenishes Qi—primarily used for cough due to Lung Yin deficiency and for Qi and fluid depletion in the convalescent stage of febrile diseases. Commonly known as Radix Adenophorae, Fourleaf Ladybell Root, or Nán Shā Shēn.
Botanical Source:Radix Adenophorae (Fourleaf Ladybell Root) is the dried root of Adenophora tetraphylla (Thunb.) Fisch. or Adenophora stricta Miq., perennial herbs belonging to the genus Adenophora Fisch. (family Campanulaceae, order Asterales). The two commonly used species are described below:
(1) Adenophora stricta Miq.
Botanical Description:Adenophora stricta Miq. is commonly known as Sha Shen. It is a perennial herb with stems reaching 40–80 cm in height. Stems are unbranched and often covered with short bristles or villi. Basal leaves are cordate, large, and petiolate; cauline leaves are sessile, or only the lowermost cauline leaf bears a very short, winged petiole. Leaf blades are elliptical to narrowly ovate, cuneate at the base, 3–11 cm long and 1.5–5 cm wide; apices are acute or shortly acuminate; margins are irregularly serrate; both surfaces are sparsely covered with short hairs or hirsute, or nearly glabrous.
Inflorescences are typically unbranched, forming a false raceme, or bear short branches producing extremely narrow panicles; rarely, longer branches form broader panicles. Pedicels are less than 5 mm long. The calyx is usually pubescent or granular-pubescent, rarely glabrous; the hypanthium (calyx tube) is typically obovate, occasionally obovate-conical; calyx lobes are 5, narrow and elongated—mostly subulate, occasionally lanceolate-striate. The corolla is broadly campanulate (bell-shaped), blue or purple; the outer surface is glabrous or hirsute; corolla lobes are 5, triangular-ovate. The floral disc is short and tubular, glabrous. There are 5 stamens; the lower portion of the filaments is dilated into a flabelliform structure; anthers are slender. The style is usually slightly longer than the corolla; the stigma is 3-lobed. The ovary is inferior and 3-locular.
The fruit is an ellipsoidal capsule, rarely elliptical, 6–10 mm long. Seeds are numerous, brown, slightly flattened, with one prominent marginal ridge (~1.5 mm long). Flowering and fruiting occur from August to October.
Ecological Environment:Adenophora stricta Miq. grows predominantly in grassy areas and rocky slopes of low mountains, as well as on grasslands at altitudes of 600–700 m above sea level, open hill slopes, and forests at 1,000–3,200 m above sea level.
Growth Characteristics: The plant prefers warm or cool climates, tolerates cold and drought, but requires adequate moisture during active growth. Seedlings are highly susceptible to drought stress, which often causes mortality. Plants of the current year typically do not flower or fruit; flowering begins in June of the second year and continues from June to September; seeds mature in September. For cultivation, fields with deep, fertile, humus-rich, well-drained sandy loam soils are optimal.
Characteristics of the Herb: The root is cylindrical or conical, sometimes curved or twisted; a few specimens bear 2–3 branches. Roots measure 8–27 cm in length and 1–4.3 cm in diameter. The surface is yellowish-white or light brownish-yellow, coarse, with irregularly twisted wrinkles; dense, deep vertical striations occur in the upper portion, and the concave regions often bear tan (chocolate-brown) corky bark. At the apex, there is usually one stem base remnant (rarely several), 2–7 cm long, surrounded by numerous semilunar stem scars arranged in an interwoven pattern. The texture is hard and brittle, fracturing easily; the fracture surface is uneven and whitish (nearly white), with numerous cracks, appearing loose and spongy. The herb has a faint odor and a mildly sweet and bitter taste.
Pharmacological Actions: (1) Expectorant effect; (2) Cardiac stimulant effect; (3) Antifungal action. Radix Adenophorae aqueous extract (1:2) had a different degree of inhibitory effect on dermatophytes such as Candida odumani and Candida albicans in vitro.
Medicinal efficacy: Nourish Yin and clear the lung, reduce phlegm, and benefit Qi. It is indicated for lung heat with dry cough, Yin deficiency with over-strained cough, dry cough with sticky phlegm, Qi-Yin deficiency, dysphoria with a smothery sensation, and dry mouth.
Administration of Radix Adenophorae (Nán Shā Shēn):
Reference:
Administration Guide for Radix Adenophorae (Nán Shā Shēn)
TCM Books:
(1) Internally: 9–15 grams; (2) Internally: water decoction, 3–5 qián (approximately 9–15 grams); fresh herb: 1–3 liǎng (approximately 30–90 grams), or prepared as pills or powder; (3) water decoction, 10–15 grams; fresh herb: 15–30 grams; or prepared as pills or powder.
Precautions and Adverse Reactions: Radix Adenophorae should not be combined with black false hellebore.
(2) Adenophora tetraphylla (Thunb.) Fisch.
Botanical Description: It is commonly known as Adenophora tetraphylla (Thunb.) Fisch., Adenophora verticillata Fisch., Campanula tetraphylla Thunb., Si Ye Sha Shen, or Lun Ye Sha Shen (meaning "four-leaf Adenophora" or "wheel-leaved Adenophora").
The main difference between this species and Adenophora stricta Miq. is that 3–6 leaves grow in a whorl and are ovoid to linear-lanceolate. The inflorescence branches are often whorled; the floral disc is short (2–4 mm long), with a diameter not exceeding 1 mm; the corolla is thin and small, nearly tubular, with a slightly constricted opening; and the lobes are 2 mm long. Its flowering period is from July to September.
Growth Characteristics: The plant grows mostly in mountain grasslands or shrublands, and occurs wild.
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References:
1.Introduction of Nan Sha Shen: Fourleaf Ladybell Root