Acanthaceae · Thunbergia

Neel Lata / Large-Flowered Thunbergia

Thunbergia grandiflora

Also known as Bengal Trumpet, Blue Trumpet Vine, Blue Sky Vine

Climberoutdoor
Habit
Climber
Found in India
Kerala, Maharashtra, Karnataka & more
Flowering
February-July

Plant Details

Scientific name
Thunbergia grandiflora
Genus
Thunbergia
Habit
Climber
Habitat
Cultivated
Habitat type
Cultivated
Native to
Africa
Distribution
India, Myanmar, Indo-China, South China
Found in India
Kerala, Maharashtra, Karnataka, West Bengal, Tamil Nadu, Goa
Flowering & fruiting
February-July
Conservation status
Not Evaluated (NE)

Leaf characters

Arrangement
Opposite
Simple type leaf character
Type
Simple
Entire margin leaf character
Margin
Entire
Pinnate venation leaf character
Venation
Pinnate

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

Flower & fruit characters

Flower symmetry
Bilateral
Inflorescence
Spike
Fruit
Capsule

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

Local Names

Hindi
नील लता Neel Lata
Nepali
काग चुच्चे Kaag Chuchche, काग फुली Kaag Phulee, कनेसी लहरा Kanesi Laharaa
Bengali
নীল লতা Neel Lota, নীলবনলতা
Tamil
வங்காள கடிகாரக் கொடி Vankaala Katikaarak Koti, துன்பேர்சியா கிராண்டிஃப்ளோரா
Kannada
ದೊಡ್ಡ ಹೆಗಲ ಬಳ್ಳಿ Dodda Hegala Balli
Malayalam
തൻബെർജിയ ഗ്രാൻഡിഫ്ലോറ

Neel Lata in India

This vigorous climbing vine, known as नील लता Neel Lata (Hindi), வங்காள கடிகாரக் கொடி Vankaala Katikaarak Koti (Tamil), ದೊಡ್ಡ ಹೆಗಲ ಬಳ್ಳಿ Dodda Hegala Balli (Kannada), തൻബെർജിയ ഗ്രാൻഡിഫ്ലോറ (Malayalam), নীল লতা Neel Lota (Bengali), is grown for its large blue trumpet-shaped flowers. Thunbergia grandiflora is grown across Kerala, Maharashtra, Karnataka, West Bengal, Tamil Nadu, Goa, often trained up trellises, arbours and large fences.

Uses

It's grown almost entirely as an ornamental climber, valued for quickly covering large structures and its abundant sprays of blue flowers.

How to Identify Neel Lata

A vigorous, woody-based climbing vine with heart-shaped, coarsely toothed leaves. Large, trumpet-shaped flowers in pale to deep blue-violet with a pale throat hang in loose, drooping clusters.

Frequently Asked Questions

What is Large-flowered Thunbergia called in different Indian languages?
नील लता Neel Lata (Hindi); வங்காள கடிகாரக் கொடி Vankaala Katikaarak Koti (Tamil); ದೊಡ್ಡ ಹೆಗಲ ಬಳ್ಳಿ Dodda Hegala Balli (Kannada); തൻബെർജിയ ഗ്രാൻഡിഫ്ലോറ (Malayalam); নীল লতা Neel Lota (Bengali).
How fast does it grow?
Very quickly once established — it's a vigorous woody climber capable of covering a large trellis, fence or arbour within a couple of seasons.
Does it need strong support?
Yes — its woody stems become heavy over time, so it needs a sturdy trellis, arbour or fence rather than delicate string supports.
Illustration representing the Acanthaceae family
Botanical family

Acanthaceae

Acanthus family

Neel Lata belongs to the Acanthaceae family.

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

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