✿Acanthaceae · Thunbergia

Krishnaneela / Upright Thunbergia

Thunbergia erecta

Also known as Blue Bell, King's Mantle, Bush Clock Vine

Shruboutdoor
Habit
Shrub
Found in India
Karnataka, Kerala, Maharashtra & more
Flowering
Throughout the year

How to identify Krishnaneela

Identify Krishnaneela by combining habit, leaf characters, flower or fruit details, location, and its family pattern. Do not rely on one feature alone.

  • Look for a shrub habit.
  • Check the distinctive field mark: Upright non-climbing shrub with purple trumpet flowers.
  • Confirm leaf arrangement: Opposite.
  • Confirm leaf surface: Pubescent.
  • Confirm flower colour: Purple.
  • In season, compare flowering and fruiting time: Throughout the year.
  • In India, compare location records such as Karnataka, Kerala, Maharashtra, Telangana and nearby regions.

Plant Details

Scientific name
Thunbergia erecta
Genus
Thunbergia
Habit
Shrub
Native to
Tropical Africa
Distribution
Westren Tropical Africa
Found in India
Karnataka, Kerala, Maharashtra, Telangana, Tamil Nadu, Uttar Pradesh, Andhra Pradesh, Gujarat, West Bengal, Rajasthan, Uttarakhand, Chhattisgarh, Madhya Pradesh, Assam, Chandigarh, Haryana, Odisha, Arunachal Pradesh, Bihar, Goa, Himachal Pradesh, Jharkhand, Delhi, Nagaland, Puducherry, Tripura
Flowering & fruiting
Throughout the year
Conservation status
Not Evaluated (NE)

Leaf characters

Leaf arrangement
OppositerecordedTwo leaves arise from the stem at the same point, facing each other.“Leaves are arranged in opposite pairs and are ovate, elliptic or lanceolate, measuring up to 8 cm (3.1 in) long and 4 cm (1.6 in) wide.” — Wikipedia, CC BY-SA 4.0
Leaf surface
PubescentrecordedCovered in short, soft hairs.“The blades are glabrous or sparsely hairy along the midrib.” — Wikipedia, CC BY-SA 4.0

Typical of the family

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

Characters marked “recorded” are for Krishnaneela itself; the rest are typical of the Acanthaceae family.

Flower & fruit characters

Flower colour
PurplerecordedPurple or violet

Typical of the family

Inflorescence
Spike
Fruit
Capsule

Characters marked “recorded” are for Krishnaneela itself; the rest are typical of the Acanthaceae family — flowering plants only.

Local Names

Bengali
নীল ঘন্টা
Tamil
துன்பேர்சியா எரிக்டா
Malayalam
കൃഷ്ണനീല, Krishnaneela, Thunbergia erecta

About Krishnaneela

A member of the Acanthaceae family, Upright Thunbergia (Thunbergia erecta) is a shrub. In India it has been recorded in Karnataka, Kerala, Maharashtra and 23 other states. It flowers and fruits through much of the year.

Uses

In practice it is planted as an ornamental.

Illustration representing the Acanthaceae family
Botanical family

Acanthaceae

Acanthus family

Krishnaneela belongs to the Acanthaceae family.

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

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Common plant problems

If you are starting from symptoms instead of a diagnosis, use the plant disease symptom checker to narrow the cause before treating.

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