LAISHA · DRAVYAGUNA

Kusha

कुश

Desmostachya bipinnata (L.) Stapf

Poaceae · Desmostachya

Benefits & side effects

TRADITIONAL VIEW, WITH SAFETY LIMITS

What the texts say Kusha does

What the evidence says. Traditional use is long recorded. Modern clinical evidence is limited.

Side effects and limits

A grass root in long and wide use, both medicinally and ritually, with no significant toxicity recorded. Anyone pregnant, on medication or managing a diagnosed condition should speak to a doctor or a qualified practitioner first.

Avoid or ask first: No absolute contraindication is documented here. This is written deliberately rather than left blank.

A traditional classification, not a recommendation. The full safety record is below.

Stands in 3 groups

A Samhita can only be read forwards, from the group to its members. This is the same list read backwards.

Photographs

Matra and anupana

AS THE CLASSICAL TEXTS AND THE API PRESCRIBE

Kwatha50–100 ml
Churna3–6 g
AnupanaSheetajala
KalaAdhobhakta

Usually as one of the Trina Panchamula rather than alone.

Reported from Sharangadhara Samhita and the Ayurvedic Pharmacopoeia of India. Laisha states what the texts prescribe; it does not recommend. No quantity here is adjusted for a particular person — not for agni, koshtha, bala, age, pregnancy, kidney or liver function, or anything already being taken.

Rasapanchaka

Rasa
MadhuraKashaya
Guna
LaghuSnigdha
ViryaSheeta
VipakaMadhura
PrabhavaOne of the five roots of Trina Panchamula, the group the texts reach for in mutrakrichhra and in the burning states.
DoshakarmaPittakaphahara.

Madhura and kashaya with sheeta virya and madhura vipaka, the profile the texts give the whole Trina Panchamula.

Karma and part used

MutralaDaha prashamanaRaktastambhanaTrishna nigrahana

These are the actions the classical texts record. They are statements about what the tradition holds, and this library does not restate them as findings about a human body.

Upayukta angaMula (the root)
Why it mattersThe root, not the blade. The grass above ground is the ritual article and the root is the medicinal one.

Paryaya

SuchyagraYajnabhushanaKshurapatra

Suchyagra, needle-pointed, is the recognition character: the blade ends in a fine sharp point that will cut a finger. Darbha is NOT listed here as a synonym, although the two names are used for each other constantly - Sushruta names Kusha and Darbha as separate members of Trina Panchamula, so treating them as one name would empty a slot in the group.

Names, by language

EnglishSacred grass
HindiKusha
KannadaDarbhe hullu
TamilDarbhai pul
TeluguDarbha gaddi
MalayalamDarbha pullu
MarathiDarbha
GujaratiDarbh
BengaliKush
OdiaKusa
UrduKusha

Classical references

Sushruta Samhita
Sutrasthana, chapter 38 (Dravyasangrahaniya)
Kusha is one of the five roots of Trina Panchamula.
Charaka Samhita
Sutrasthana, chapter 4 (Shadvirechanashatashritiya)
Named among the Stanyajanana mahakashaya.
Bhavaprakasha Nighantu
Guduchyadi Varga
Gives the rasa, guna, virya and vipaka.

Formulations it appears in

Trina Panchamula KwathaOne of the five roots the group is made of.
ChandanasavaAn ingredient.

Adulterants and substitutes

Kusha and Darbha are used for each other so consistently that the substitution is barely recognised as one, and several other coarse grasses are collected as either. Since both belong to the same classical group the consequence is small, but a formula naming both and receiving one twice is not the formula.

Identity

Desmostachya bipinnata is Kusha. Imperata cylindrica is Darbha in some traditions and the two names are used for each other constantly; both are in the Trina Panchamula and the texts list them separately.

A WAY TO REMEMBER IT

Desmostachya is Greek desmos, a bond, and stachys, a spike. Bipinnata, for the twice-divided inflorescence. Kusha gives the Sanskrit kushala, meaning skilful - from the care needed to gather a grass whose blades cut the hand.

What the tradition holds

Kusha is one of the five roots of Trina Panchamula in the Sushruta Samhita and is named among the Stanyajanana mahakashaya in Charaka. That is what the tradition records.

What the evidence says

StatusTraditional use is long recorded. Modern clinical evidence is limited.
SuggestedThe dravya holds a pharmacopoeial monograph in India, which records an accepted identity and quality standard for the article. That is a standard for the material, not evidence of an effect in a body.
Not establishedThere is not enough good clinical evidence to establish an effect on any named health condition. Long traditional use is not a substitute for that evidence, and this library does not present it as one.
The honest gapPublished work on this dravya rarely records the origin or the standard of the material tested, so results cannot be attributed to a defined article.

Safety

A grass root in long and wide use, both medicinally and ritually, with no significant toxicity recorded. Anyone pregnant, on medication or managing a diagnosed condition should speak to a doctor or a qualified practitioner first.

ContraindicationsNo absolute contraindication is documented here. This is written deliberately rather than left blank.
InteractionsNo specific drug interaction is documented for this dravya. That is the honest state of the evidence, not a statement that none exists — most Ayurvedic dravya have never been studied for interaction with modern medicines at all.
Pregnancy and breastfeedingNo specific harm is documented and no adequate study exists. Safety in pregnancy has not been established.

Check this page

Scan to open this page
https://laisha.ai/dravya/kusha
Print it and the code still works. It goes to this page and nowhere else.

What this is not

Sources

GBIF Backbone Taxonomy species-match record for Desmostachya bipinnata (L.) Stapf
Global Biodiversity Information Facility (GBIF) · read 2026-09-29
The accepted botanical name and family standing behind the Sanskrit name.
https://api.gbif.org/v1/species/match?name=Desmostachya%20bipinnata
The Ayurvedic Pharmacopoeia of India, Part I
Pharmacopoeia Commission for Indian Medicine and Homoeopathy, Ministry of Ayush, Government of India · read 2026-09-29
The official Indian pharmacopoeial standing of the dravya and which part is the pharmacopoeial article.
https://pcimh.gov.in/
Bhavaprakasha Nighantu
Bhavaprakasha Nighantu · read 2026-09-29
The rasa, guna, virya and vipaka as the nighantu gives them.
https://niimh.nic.in/ebooks/ebnighantu/
Sharangadhara Samhita, Madhyama Khanda — the matra of the kalpanas
Sharangadhara Samhita, Madhyama Khanda · read 2026-09-29
The classical quantity for each preparation, cited to where the number comes from.
https://niimh.nic.in/ebooks/esharangadhara/
← all dravya