Vachellia farnesiana, commonly known as Needle Bush, is a woody shrub native to Mexico and Central America. It grows up to 8 meters tall and has a lifespan of 25-50 years. The shrub has numerous thorns and bipinnate leaves with many leaflets. It produces fragrant orange flowers and green seed pods. Various parts of the plant have traditional medicinal uses. The bark contains tannins and is used to treat hemorrhage. The flowers are distilled to produce a perfume. The seeds and foliage are used as a food source. V. farnesiana has spread widely due to human activity and is considered invasive in some regions.

1. Introduction:-
Vachellia farnesiana, also known as Acacia farnesiana, and previously
Mimosa farnesiana, commonly known as Needle Bush, is so named
because of the numerous thorns distributed along its branches. The
native range of V. farnesiana is uncertain. While the point of origin is
Mexico and Central America It is deciduous over part of its range,
but evergreen in most locales. The species grows to a height of up to
8 metres (26 ft) and has a life span of about 25–50 years.

2. Vernacular Names
• San- Arimeda, Irimeda, Vitkhadira
• Hin- Safed Babbula, Irimeda
• Guj- Gandilo khair, Harmo Babal
•Mar- Pandari Babul
• Lat- Acacia farnesiana
• Kan- Peek jali, Sime gonde, Kaggobbali mara
• Kon- Kusrijhad
• Tul- Kirijali

3. Synonyms:-
Arimeda:- Arihi Dusaho Medasravoasya ithi
Arimeda { Gum resin is irritative like enemies
because of its foul odour }
Vitkhadira:- Vista vat Durganditwat Vitkhadira {
odour is similar like stool }

4. Family:- Mimosaceae
Kula:- Babbula

5. •Gana:-
Charaka- Udarda-Prasamana
Sanjna-stapana
Vagbata- used synonym ‘ Ahimaraka ‘
Dalhana- Arimajja , Ramaka

6. Habitat:-In dry lands, in most of the
forests,the plant has been recently spread to
many new locations as a result of human
activity and it is considered a serious weed in
Fiji, It is also a serious pest plant in parts of
Australia, including north-west New South
Wales..

7. Morphology :-
Woody shrub up to 7 m high, but usually 1-3 m, very branched with an intricate
habit, very spiny.
Bark grey-brown smooth or scaly,
Leaves alternate, shortly petiolated, bipinnate with 2-4 pairs of pinnulae having
8-10 (20) pairs of leaflets each leaflets obtuse of a green-bluish colour, 3-6 x 1-2
mm.
Stipulate axillary pairs of Thorns 0.2-3 cm long,
Flowers of an orange colour, very fragrant with a smell of violet, grouped in 50
or more 1.5-2.0 cm in diameter, grouped by 2-3, or isolated on an 8-35 mm long
slender, hairy-downy peduncle.
The fruit is a green pod, turning black or dark brown at maturity, thick,
indehiscent, cylindrical, 4-8 cm long and 0.8-1.5 cm in diameter,.
Seeds -12 to 14 seeds transversally set in the pods, ovoid, compressed, 6-7 x 4-5
mm, with a life span 10-50 years.

8. Images

11. Chemical Composition:-
Aromadendrin
Naringenin
Galloylglucose
Ethyl gallate

12. Properties:-
Guna- Laghu, Ruksa
Rasa- Tikta, Kasaya
Veerya- Usna
Vipaka- Katu

13. Dosha Karma:-
Kapha-vatahara

14. Bark
The bark is used for its tannin content. Highly tannic barks are common in general to
acacias, extracts of many being are used in medicine for this reason. (See cutch).
Food
The leaves are used as a tamarind flavoring for chutneys and the pods are roasted to
be used in sweet and sour dishes.
Flowers
The flowers are processed through distillation to produce a perfume called Cassie. It
is widely used in the perfume industry in Europe. Flowers of the plant provide the
perfume essence from which the biologically important sesquiterpenoid farnesol is
named.
Scented ointments from Cassie are made in India.
Vachellia farnesiana (L.) Willd. - sweet acacia seeds
Foliage
The foliage is a significant source of forage in much of its range, with a protein
content of around 18%.

15. • Seed pods
The concentration of tannin in the seed pods is about 23%.
Seeds
The seeds of V. farnesiana are non-toxic to humans and are a valuable food
source for people throughout the plant's range. The ripe seeds are put through a
press to make oil for cooking. Nonetheless an anecdotal report has been made
that in Brazil some people use the seeds of V. farnesiana to eliminate rabid dogs.
This is attributed to an unnamed toxic alkaloid.
Forage
The tree makes good forage for bees.
Dyes and Inks
A black pigment is extracted from the bark and fruit.
Perfume
Acacia farnesiana flowers are distilled in the south of France to make an essential
oil called Cassie which is used as a basis for aromatherapy and perfume.

16. Functions Acc to Diff Scholars:-
Susruta-
1. Excess Hemorrhage-Powders of sala,
sarja,arjuna,arimeda,mesasringi,dhava mixed together and
pressed on affected part
2. Poisoning- ksharagada
Charaka-
Mukharoga- Khadiradi gutika
Vagbhata-
Mukharoga- Rasakriya
Chakrapani-
Mukharoga-Irimedadi Thila

17. Useful Part:- Heart- wood

18. Dosage:- Decoction- 50-100 ml

19. Special preparations:-
Arimedadi Thila
Ksharagada
Khadiradi Gutika

20. Cotations
1.Arimedah Kasayosnastikto bhootavinasana I
shofatisarakasagno vishavisarpanasanah II
irimedasya niryaso madurastu balapradah I
datuvraddikaraschiva munibihi parikirtitah II
{ Ra. Ni }
2. Irimedah kasayosno mukhadantagadasrunut I
hanthi kanduvishaslesmakrimikustagrahavranan II
{ Ma. Ni }