Phyllodium pulchellum

Across Dai communities in south‑west Yunnan, fresh or dried leaves of Phyllodium pulchellum are boiled as a decoction for acute diarrhoea and dysentery, and also taken for stomach cramps, vomiting, and feverish colds (Harun‑ur‑Rashid, 2006; Jiao et al., 2017). In north‑west Vietnam, the Zhuang and Yao make a similar leaf decoction to calm gastric complaints, dysentery, and malaria‑related chills, while Hmong informants record it as a simple remedy for abdominal pain and diarrhoea (Sagnon, 2016; Ishikawa et al., 2016). In south‑west China’s karst region, the Bunu ethnogroup boils the leaves to treat dysentery and diarrhoea and applies cooled decoctions or fresh leaf poultices to bruises and inflamed skin (Zhang et al., 2018; Puri & Vörösváry, 2022). In northern Vietnam, some practitioners cut fresh leaves into small pieces and soak them in hot water to drink as a mild tea for nausea, stomach upset, and mild fever, while mountain‑dwelling communities brew the tea for diarrhoea and “stomach fire” (Sagnon, 2016; Ishikawa et al., 2016). These preparations all use aerial parts—primarily the leaves—with occasional reports of leaf‑twig tea for cough and fever in Thai traditional settings (Kitani, 2018). While multiple descriptions in the literature emphasize the same leaf‑decoction and leaf‑tea remedies, they consistently align around gastrointestinal relief and topical care for skin inflammation.

One practical recipe uses fresh or air‑dried leaves to make a 1:5 ethanol tincture. Coarsely chop 20 g of clean leaves and pack into a clean jar; add 100 mL of 70% ethanol (or enough to cover the plant material by at least 2 cm), cap tightly, and shake daily. Macerate in a cool, dark place for 14 days, then strain and press. The resulting tincture is used by滴taking 2–4 mL diluted in warm water two or three times a day as an after‑meal digestive aid, a protocol supported by ethnobotanical manuals for similar Fabaceae teas and tinctures (Harun‑ur‑Rashid, 2006; Quattrocchi, 2016). Short‑term, low‑dose use is generally tolerated, but people on anticoagulants should be cautious due to coumarins and flavonoids; use of the leaf tea or tincture is not advised in pregnancy or when severe dysentery is suspected without medical supervision (Puri & Vörösváry, 2022).

The plant is documented to contain abundant flavonoids such as quercetin, kaempferol, luteolin and their glycosides, as well as coumarins including scopoletin and umbelliferone; saponins, triterpenes, steroids, and phenolics are also reported (Jiao et al., 2017; Zhang et al., 2018). These groups are well‑established phytochemicals in the species and plausibly underlie the reported antidiarrhoeal, spasmolytic, anti‑inflammatory, and antimicrobial actions that mirror the traditional uses.

Modern interest continues around Phyllodium pulchellum. Preclinical studies of leaf extracts have shown antibacterial, antidiarrhoeal, and anti‑inflammatory activity that aligns with ethnomedical indications (Zhang et al., 2018), and dried leaf products and preparations of this and closely related Desmodium species remain locally available in rural markets of south‑west China and northern Vietnam, where the leaf decoction and tea continue to be the everyday remedies they have long been.

Common products:
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Food and beverages (non-medicinal):
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Colorants and tanning:
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Wood and fiber:
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Fragrance and cosmetics:
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Properties relevant to use:
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Standards and regulation:
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Sustainability and sourcing:
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