Mimosaceae · Samanea

Gulabi Siris / Rain Tree

Samanea saman

Also known as Sleepy-Faced Tree, Cow Tamarind, Monkeypod

Tree
Habit
Tree
Found in India
Maharashtra, Tamil Nadu, Karnataka & more
Flowering
January-July

Plant Details

Scientific name
Samanea saman
Genus
Samanea
Habit
Tree
Habitat
Planted as avenue tree
Habitat type
Cultivated
Native to
Central & South America
Distribution
Tropics of the World
Found in India
Maharashtra, Tamil Nadu, Karnataka, Telangana, Kerala, Andhra Pradesh
Flowering & fruiting
January-July
Conservation status
Not Evaluated (NE)

Leaf characters

Arrangement
Alternate
Entire margin leaf character
Margin
Entire
Pinnate venation leaf character
Venation
Pinnate

Typical of the Mimosaceae family — a field-mark hint, not measured for this exact species.

Flower & fruit characters

Flower symmetry
Radial
Inflorescence
Head
Fruit
Legume

Typical of the Mimosaceae family — flowering plants only; individual species can differ.

Local Names

Hindi
गुलाबी सिरिस Gulabi Siris, Vilaiti siris,शिरीश shirish,सीरस siras
Bengali
Biliti siris
Tamil
தூங்குமூஞ்சி (toongumoonji), பண்ணி வாகை
Telugu
నిద్ర గన్నేరు, వానచెట్టు
Kannada
ಮಳೆಮರ Malemara, Bhagay mara, ಮಳೆಮರ
Malayalam
മഴമരം
Marathi
पर्जन्यवृक्ष

Gulabi Siris in India

This wide-canopied tree, known as गुलाबी सिरिस Gulabi Siris (Hindi), தூங்குமூஞ்சி (toongumoonji) (Tamil), నిద్ర గన్నేరు (Telugu), ಮಳೆಮರ Malemara (Kannada), മഴമരം (Malayalam), पर्जन्यवृक्ष (Marathi), is planted almost everywhere for its dense shade. Samanea saman is grown across Maharashtra, Tamil Nadu, Karnataka, Telangana, Kerala, Andhra Pradesh, especially along roads, in parks and on plantations for shade.

Uses

It's planted almost entirely for shade, thanks to its exceptionally broad, umbrella-like canopy, and its wood has also been used for furniture and carving in some regions.

How to Identify Gulabi Siris

A large, wide-spreading tree with a flattened, umbrella-shaped canopy far broader than it is tall. Leaves are bipinnate and fold up in the evening or before rain — the source of its 'rain tree' name. Flowers are pink powder-puffs with long silky stamens, followed by long, dark, sticky-pulped pods.

Frequently Asked Questions

What is Rain Tree called in different Indian languages?
गुलाबी सिरिस Gulabi Siris (Hindi); தூங்குமூஞ்சி (toongumoonji) (Tamil); నిద్ర గన్నేరు (Telugu); ಮಳೆಮರ Malemara (Kannada); മഴമരം (Malayalam); पर्जन्यवृक्ष (Marathi); Biliti siris (Bengali).
Why is it called the 'rain tree'?
Its leaflets fold shut in the evening and before rain, and the tree is also said to 'drip' from sap-sucking insects overhead, both contributing to the common name.
Why is its canopy so wide?
It naturally branches low and spreads broadly rather than growing tall, giving it one of the widest canopies of any commonly planted shade tree.
Illustration representing the Mimosaceae family
Botanical family

Mimosaceae

Mimosa/Acacia family

Gulabi Siris belongs to the Mimosaceae family.

The illustration represents the family — not necessarily this exact species.

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Sources: GBIF — Samanea saman (India distribution & vernacular names) (CC BY 4.0) · Wikipedia — Samanea saman (background/comprehension only) (CC BY-SA 4.0)