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Official Website of Rajiv Gandhi Institute of Petroleum Technology, Jais, Amethi, India. / Flowers and Trees

Flowers and Trees

Gulchin Trees - A Beautiful Trail in Jais Campus

Gulchin (Botanical name: Plumeria rubra L) belonging to Apocynaceae family is one of most abundant trees in RGIPT campus. Its beautiful fragrant flowers in shades of pink, white and yellow over the summer and autumn immensely adds to the beauty of campus.

Gulchin is deciduous plant species which grows as soft wooded erect tree with 5-8 m high. The green leaves are large reaching up to 30 to 50 cm in length which are arranged alternately and clustered at the end of the branches.


The flowers have five petals. The colours range from the common pink to white with shades of yellow in the centre of the flowers. The flowers give off their fragrance in the morning and evening. The fruits are follicles, rarely produced in cultivation.

This tree is sacred and revered by Hindus, Buddhists and Muslims. Because of its ability of blossoming leaves and flowers even after being uprooted from the soil, people of these religions think the tree as a symbol of immortality.

  • Reference: Hamare Bruksh, By Rajeshwar Prasad Narain Singh, Publication Division, Govt. Of India: 4th Edition, 2003

Kachnar Trees - Pink-Purple Winter in Jais campus

With onset of indian winter season, Kachnar trees along boundary wall on railway line in residential area and along road from effluent water treatment to AB-1 parking area starts flowering and provides beautiful sight in different shades.

The botanical name of Kachnar tree is Bauhinia variegata belonging to Caesalpinioideau-Cassia subfamily. It is a small to medium-sized tree growing to 10–12 metres tall. The bark of tree is deep brown with rough scabby scales. The leaves are shaped like a camel’ hoof with two broad lobes joined in the middle; lobes shallowly cleft on the top with heart shaped at base. Leaves start to shed in January and tree become bare by March.

The flowers are conspicuous, bright pink or white, 8–12 centimetres diameter, with five petals. The petals are delicately veined, central 3 petals overlapping, with central petal noticeably darker, usually purple. The flowers have 5 curved stamens with knobby anthers, style long, curved, more erect than stamens. The fruits are a flat thin hard pod about 20 cm long, ripen and burst open, scattering the seeds (12-15 nos.) to some distance in May.

The tree is also known to yield gum. The leaves are used as cattle fodder and are eaten as vegetable or pickle. The bark is used by the tanning industry. It is also used to wash ulcers. The wood is good for making agricultural implements.

  • Reference: Hamare Briksh by Rajeshwar Prasad Narain Singhi, Publications Division, 2003

Indian Coral Trees Decorate Jais campus

It’s a beautiful season, onset of spring. The North Western part of RGIPT campus is perked up with the appearance of stunningly gorgeous, red flowers. As we move towards the entrance gate (RHS) of RGIPT hostel campus, an array of around 20 Indian coral trees in bloom welcome us. The bright crimson red blossoms are accompanied by reddish brown pods.

The tree has three diamond shaped leaflets. One can see a variety of birds, babblers, drongo, tailor bird, bulbuls and sun birds visiting these trees and contributing to its pollination. This ornamental tree, enjoys a pride of place amid the flora of RGIPT. The botanical name of indian coral tree is Erythrina variegate and it hails from Faboideae family. The common Hindi name is Pangara and referred as Parijata in Sanskrit texts.

On a pleasant spring morning stray to this part of RGIPT and feast your eyes on the brilliance of nature.

  • Reference : The Book of Indian Trees; K C Sahni, Bombay Natural History Society.
Indian Coral Trees
Indian Coral Trees

Semul Trees Blossom in Jais Campus

As if to celebrate Holi-2019, the festival of colours RGIPT campus too bears a colourful look with seasonal flowers like Kachhnar, Semul and Pangara in full bloom. This article is Semul tree commonly known as Red Silk Cotton tree (Botanical name: Bombax ceiba).

At Jais campus, the Semul trees can be found in clusters, one cluster of around 10 trees in between area of residential blocks B1 and B2 which has fully blossomed this season and other cluster of 5 trees on western corner of administrative block.


The Red silk cotton tree when in bloom is a sight to behold. This lofty deciduous tree (Deciduous trees are trees that drop their leaves for part of the year) is capable of reaching 20-40 metres in height. The trunk is straight and the bark is covered with conical prickles up to 1.2 cm long when young which gets sloughed off in older trees. The flowers are brilliant crimson with five petals. The petals are tough and fleshy. The nectar-rich flowers attract insects and birds.

The leaf is composed of 5-7 leaflets arranged like the fingers of the hand. The leaflets are lance shaped (sharp narrow end and pointed like the head of a spear) and smooth and glossy. The central leaflets are longer than those on the periphery.

Almost all parts of the red silk cotton tree find medicinal uses. Most uses are for the treatment of gastrointestinal, skin, gynaecological and urogenital problems, general debility, diabetes etc. The flowers of the Semul tree are also used to prepare eco-friendly colour to play with. Let us preserve this beautiful tree and make the skyline of RGIPT campus more enchanting.

Almost all parts of the red silk cotton tree find medicinal uses. Most uses are for the treatment of gastrointestinal, skin, gynaecological and urogenital problems, general debility, diabetes etc. The flowers of the Semul tree are also used to prepare eco-friendly colour to play with. Let us preserve this beautiful tree and make the skyline of RGIPT campus more enchanting.

  • Reference:The Book of Indian Trees; K C Sahni, Bombay Natural History Society.

Amaltas Tree - Golden Showers in Jais campus

A number of Amaltas trees have been planted in RGIPT campus. In 2019 summer, a lone Amaltas tree in full bloom on the easterly facing side of Academic Building-2 is singularly eye-catching in the backdrop of wild lush green ambience. Its golden yellow flowers that droop down in long, chandelier-like inflorescences are truly a beautiful sight. Three numbers of Amaltas trees are also flowering in parking area near Gate-1 of the Institute.


The species 'Cassia fistula' of Amlatas tree is native to the Indian subcontinent and adjacent regions of Southeast Asia. It grows well in dry climates. It is a moderate-sized tree reaching up to 9-10 m in height with an irregular canopy. The leaves are deciduous, 23-46 cm long, and pinnate with three to eight pairs of leaflets. The fragrant flowers are arranged on terminal drooping clusters (inflorescences), often 30-60 cm long. These flowers are attractive to bees and butterflies. Germination takes place early in rains.

It is the state flower of Kerala in India. The flowers are of ritual importance in the Vishu festival of Kerala. It is both the national tree and national flower of Thailand.

The Department of Posts, Government of India released Rs. 20 postage stamp of Amaltas on 20 November, 2000.

  • Reference:The Book of Indian Trees; K C Sahni, Bombay Natural History Society

Kadamba Tree Blooms in Jais Campus

For the first time, Kadamba tree (scientific name: Neolamarckia Cadamba) near Gate-1 (parking side) of RGIPT campus has bloomed. This beautiful tree presently laden with scented flowers in dense globe-shaped clusters is very captivating. Flowers in red to orange colour have a sweet fragrance. The English common names of this beautiful tree are burflower-tree, laran, and Leichhardt pine.


Generally this tree is known to be quick growing tropical tree reaching up to height of 45 m with a broad umbrella-shaped crown and straight cylindrical bole. The tree looks pleasant with its glossy obate-oblong leaves, often 30cms long and 15 cms wide. The bark of the young tree is grey and smooth but turns rough and fissured upon age. Flowering usually begins when the tree is 4-5 years old. Flowers appear like solid, hairy orange in compact spherical heads of the size of golf balls and comes in great profusion in August.

Kadamba tree is mostly used as an ornamental tree. The Kadamba tree features in Indian religions and mythologies. In North India, several legends related to Krishna with this tree especially famous dance of Krishna with Radha under sweet scented shade of Kadamba tree have been represented in miniature paintings. In South India, it is known as "Parvati’s tree".

A postal stamp was issued by Indian Postal Department in 1977 to commemorate this tree.

Saptaparna - Scholar’s Trees in Jais campus

The Institute is a place of learning for scholars. Interestingly, its campus is decorated with a very large numbers of a tree namely Scholars tree especially on LHS of road leading to Academic Block-2 and Vivekananda Lecture Hall.

The botanical name of this evergreen tropical tree is Astonia scholaris belonging to Apocynaceae family. It is also commonly called blackboard’s tree as its wood was used for making school slates and bark for making writing pens in the olden days. Moreover, the tree is avoided by the animals because of its poisonous nature and hence is also called Devil's Tree. In Hindi, it is known as Saptaparni or Saptaparna because its seven lance-shaped digitate leaflets arise from the end of the stalk of a palm shaped leaf.


Saptaparna is a medium to large (up to 40m) tree with dense crown and straight cylindrical trunk. The stem bark is dark greyish, rough, branches whorled and when the bark is broken, a milky juice oozes out.

Leaves are leaves are simple, 10-20 cm long, 3-4.5 cm wide, dark green above, pale and covered with whitish bloom beneath. Leaves are arranged in a whorls of 4-8 (more often seven) at the node.

Flowers bloom in between October and December. The flowers are small, greenish white, blooms at dusk and are strongly fragrant. The fruits are follicles 30 - 60 cm long and 0.3 cm in diameter, cylindric, pendulous in clusters, initially green, turning to brown on maturity.

Saptaparna also finds mention in traditional and folk medicine in India. In Vishva Bharati University at Shantiniketan, one of traditions that it maintains to this day is the handing over of a bunch of Saptaparna leaves - locally known as “Chatim” or “Soptoporni” - to every graduating student at the convocation.

Submitted by:

Shri D C Tewari
Visiting Faculty