Thunbergia laurifolia

Purple allamanda

Thunbergia laurifolia, commonly known as the Laurel-leaved Thunbergia, is a versatile climbing shrub valued in traditional medicine. Native to tropical regions, this plant is celebrated for its diverse therapeutic properties, frequently utilized to treat inflammation, skin ailments, and various systemic conditions, making it a significant botanical resource in herbalism.

  • Scientific name: Thunbergia laurifolia
  • Family: Acanthaceae
  • Native range: Africa

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. It is further classified within the order Lamiales and the family Acanthaceae. Finally, it is identified by the genus Thunbergia.

Rank Classification Source
Kingdom Plantae WCVP
Phylum Streptophyta WCVP
Class Equisetopsida WCVP
Subclass Magnoliidae WCVP
Order Lamiales WCVP
Family Acanthaceae WCVP
Genus Thunbergia WCVP

Common Names

This plant, known scientifically as Thunbergia lauifoliia, is referred to by various names across different languages and regions. In Thailand, it is commonly called รางจืด, while in Chinese, it is known as 桂叶山牵牛 (zh) or 樟葉鄧伯花 (zh-tw). In Malaysia, it is referred to as Pokok Trumpet, and in Arabic, it is identified as تونبرغية غارية الأوراق.
Language Common Name Source
th รางจืด Wikidata
zh 桂叶山牵牛 Wikidata
ms Pokok Trumpet Wikidata
zh-tw 樟葉鄧伯花 Wikidata
ar تونبرغية غارية الأوراق Wikidata
ml ബ്ലൂ ട്രംപറ്റ് വൈൻ Wikidata
arz تونبرغيه غارية الاوراق Wikidata
ta துன்பேர்சியா இலாரிபோலியா Wikidata
zh-cn 桂叶山牵牛 Wikidata
zh-hans 桂叶山牵牛 Wikidata

Distribution

This plant exhibits a diverse geographical distribution spanning several key regions across the globe. In East Tropical Africa, it can be found growing within the territories of Tanzania and Uganda. Its range extends into Eastern Asia, specifically documented in the Ogasawara-shoto islands. Within the Indian Subcontinent, the species is present in the Assam region. Finally, it is also widely distributed throughout the East Himalaya mountain range.

Region Area Source
East Tropical Africa Tanzania WCVP
East Tropical Africa Uganda WCVP
Eastern Asia Ogasawara-shoto WCVP
Indian Subcontinent Assam WCVP
Indian Subcontinent East Himalaya WCVP
Indian Subcontinent Sri Lanka WCVP
Indo-China Andaman Is. WCVP
Indo-China Myanmar WCVP
Indo-China Nicobar Is. WCVP
Indo-China Vietnam WCVP

Plant Parts

This plant, Thunbergia laurifolia, is highly valued in traditional medicine primarily for its therapeutic properties found within its foliage. The large, green leaves are the most significant component used for healing purposes. Whether studied as an individual leaf or processed in bulk, these structures contain essential bioactive compounds. In many medicinal preparations, an aqueous leave extract is created by boiling the foliage in water, a method used to harness its antioxidant and anti-inflammatory benefits for various health applications.
Total parts
3
Scientific sources
4
Plant Part Sources Confidence
leaves 2 ★☆☆☆☆
leaf 1 ★☆☆☆☆
aqueous leave extract 1 ★☆☆☆☆

Chemicals

Thunbergia laurifolia has 14 reported phytochemicals identified across 17 scientific publications and several other databases. The most consistently reported chemicals include rosmarinic acid, caffeic acid, carotenoids, caspase-3, chlorophylls.

Total chemicals
14
Scientific sources
17

Most Reported Compounds

Compound Sources Confidence
rosmarinic acid 4 ★★☆☆☆
caffeic acid 1 ★☆☆☆☆
carotenoids 1 ★☆☆☆☆
caspase-3 1 ★☆☆☆☆
chlorophylls 1 ★☆☆☆☆
dopamine 1 ★☆☆☆☆
flavonoid 1 ★☆☆☆☆
gallic acid 1 ★☆☆☆☆
lead 1 ★☆☆☆☆
lutein 1 ★☆☆☆☆

Activities

Thunbergia laurifolia has 5 reported activities identified across 8 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antidote, Antihyperglycemic, Antihyperlipidemic, Neuroprotective.

Total activities
5
Scientific sources
8

Most Reported Activities

Activity Sources Confidence
Antioxidant 4 ★★☆☆☆
Antidote 1 ★☆☆☆☆
Antihyperglycemic 1 ★☆☆☆☆
Antihyperlipidemic 1 ★☆☆☆☆
Neuroprotective 1 ★☆☆☆☆

Medicinal Uses

Thunbergia laurifolia has 17 reported medicinal uses identified across 17 scientific publications and several other databases. The most consistently reported uses include Alzheimer's disease, Opisthorchis viverrini infection, antidote, antihyperglycemic, antihyperlipidemic.

Total uses
17
Scientific sources
17

Most Reported Uses

Use Sources Confidence
Alzheimer's disease 1 ★☆☆☆☆
Opisthorchis viverrini infection 1 ★☆☆☆☆
antidote 1 ★☆☆☆☆
antihyperglycemic 1 ★☆☆☆☆
antihyperlipidemic 1 ★☆☆☆☆
bacterial infections 1 ★☆☆☆☆
cholangiocarcinoma 1 ★☆☆☆☆
cognitive dysfunction 1 ★☆☆☆☆
cognitive impairment 1 ★☆☆☆☆
diabetes mellitus 1 ★☆☆☆☆