
Mesua ferrea
Also known as Indian rose chestnut, cobra saffron, nagkesar, ironwood tree, Nagakesara, Nagapushpa, Kesara.
Mesua ferrea is a slow growing evergreen tree with very hard reddish timber, famous for its drooping new leaves flushed pink and its fragrant white flowers with a dense golden brush of stamens. It grows in the wet evergreen forests of the Western Ghats, Assam, the Andaman Islands and Sri Lanka and is planted around temples across India. In Ayurveda the dried stamens are Nagakesara, an aromatic astringent that stops bleeding, binds the bowel and steadies the stomach. It is one of the four aromatics of Chaturjata alongside cinnamon, cardamom and Indian bay leaf.

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Ask HerbertBright red bleeding from piles in a patient who runs hot, with a burning anus and loose stools
Heavy periods with clotting in a woman with pitta features: heat, irritability and a flushed face
Chronic loose stools with mucus and a foul smell that other astringents have not controlled
The gut that cannot keep anything down: hiccup, nausea and thirst after a fever
The record lists 6 contraindications; open the plate in the library to read them in full.
Nagakesara is the Ayurvedic astringent to reach for when bleeding and heat travel together. Its signature use is raktarsha, bleeding piles, as Nagakesaradi churna with butter and sugar; the butter cools the pitta while the stamens close the vessels.
Rasa: kashaya (astringent), tikta (bitter), katu (pungent). Virya: ushna (heating). Vipaka: katu (pungent). Guna: laghu (light), ruksha (dry). Dosha: pacifies kapha and pitta; may aggravate vata in excess. Karma: raktastambhana (arrests bleeding); grahi (absorbs and binds, antidiarrheal); deepana (kindles digestion); pachana (digestive); kaphapittahara (reduces kapha and pitta); vishaghna (counters poison); jvaraghna (relieves fever); hridya (supports the heart); varnya (improves complexion); durgandhanashana (removes bad odor). Classical indications: raktarsha (bleeding hemorrhoids); raktapitta (bleeding disorders); atisara (diarrhea); pravahika (dysentery); jvara (fever); trishna (excess thirst); chhardi (vomiting); hikka (hiccup); kandu (itching); visha (poisoning); daurgandhya (body odor and bad breath). The dried stamens, sold as nagkesar, are the pharmacopoeial drug and are given as a fine churna with honey, butter or sugar, in compound powders for bleeding and diarrhea, and as one of the four aromatics of Chaturjata. The flower buds, the astringent bark and the seed oil (used topically for skin disease and joint pain) are secondary parts. Classical formulations: Chaturjata, Nagakesaradi churna, Chyawanprash, Kanakasava, Pushyanuga churna, Chandanadi churna, Ushirasava. Described in: Charaka Samhita, Sushruta Samhita, Ashtanga Hridaya, Bhavaprakasha Nighantu, Dhanvantari Nighantu, Raja Nighantu, Kaiyadeva Nighantu, Ayurvedic Pharmacopoeia of India.
| Preparation | As written | Metric |
|---|---|---|
| Churna | 1-3 g powdered stamens twice daily with honey or butter | 1000-3000 mg |
| Kwatha | 50-100 mL decoction twice daily | 50-100 mL |
| Nagakesaradi churna | 3-6 g compound powder daily with butter and sugar | 3000-6000 mg |
| Taila, topical | 5-10 mL seed oil applied to affected skin or joints | 5-10 mL |
Doses are reproduced from the sources for practitioners and are not a recommendation for any person.
Overview. Mesua ferrea is a slow growing evergreen tree with very hard reddish timber, famous for its drooping new leaves flushed pink and its fragrant white flowers with a dense golden brush of stamens. It grows in the wet evergreen forests of the Western Ghats, Assam, the Andaman Islands and Sri Lanka and is planted around temples across India. In Ayurveda the dried stamens are Nagakesara, an aromatic astringent that stops bleeding, binds the bowel and steadies the stomach. It is one of the four aromatics of Chaturjata alongside cinnamon, cardamom and Indian bay leaf.
Clinical Notes. Nagakesara is the Ayurvedic astringent to reach for when bleeding and heat travel together. Its signature use is raktarsha, bleeding piles, as Nagakesaradi churna with butter and sugar; the butter cools the pitta while the stamens close the vessels.
Ayurvedic Profile. Rasa: kashaya (astringent), tikta (bitter), katu (pungent). Virya: ushna (heating). Vipaka: katu (pungent). Guna: laghu (light), ruksha (dry). Dosha: pacifies kapha and pitta; may aggravate vata in excess.
Ceylon ironwood stands in 39 documented formulas in the library, among them Aśvagandhādyariṣṭa, Kuṭajāriṣta, Khadirāriṣta, Jīrakādyariṣṭa, Daśamūlāriṣṭa, Devadārvāriṣṭa.

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