Indian horse chestnut

Names and Synonyms

Common Names

• Indian Horse-Chestnut
• Pangad
• Himalayan Horse-chestnut

Scientific Names

Accepted name

Synonyms

• Pawia indica
• Hippocastanum asiaticum
• Pavia indica
• Aesculus indica var. concolor

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Aesculus indica, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Sapindales and the family Sapindaceae. Finally, it is categorized under the genus Aesculus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution that stretches across several distinct regions. In Northern Europe, its presence can be noted in Great Britain. Moving toward Western Asia, it is found growing within the terrain of Afghanistan. Within the Indian Subcontinent, the species is widely distributed across Assam and the East Himalaya. Additionally, it can be located throughout the mountainous landscape of Nepal.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Aesculus indica is characterized by its preference for lowland habitats, where it establishes itself within specific altitudinal constraints. This species thrives across a distinct elevational gradient, ranging from a minimum altitude of 1300 m AMSL to a maximum elevation of 3000 m AMSL. This range allows the plant to occupy various ecological niches within montane and sub-montane environments, adapting to the specific climatic and soil conditions found between these two altitudinal limits.

Elevational range max:

3000 m AMSL

Elevational range min:

1300 m AMSL

Habitat :

Lowland

Life history

The life history of Aesculus indica is characterized by its nature as a perennial plant, ensuring its presence in the ecosystem over multiple growing seasons. As a phanerophyte, its reproductive buds are elevated above the ground level on woody stems, a structural adaptation that defines its life form. The species exhibits a deciduous growth habit, meaning it undergoes a seasonal shedding of its foliage, typically in response to environmental changes or colder periods. This combination of a long-lived perennial lifecycle, a phanerophyte life form, and a deciduous strategy allows the plant to navigate seasonal shifts while maintaining a robust, woody presence in its natural habitat.

Deciduousness :

deciduous

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Aesculus indica is characterized by its robust growth form as a woody tree. This species is a self-supporting, terrestrial plant that does not function as a climber or an epiphyte, nor does it exhibit parasitic behavior, remaining entirely independent in its growth. Reaching significant dimensions, the plant typically attains a mean height of 17 m, though it has the capacity to reach a maximum height of up to 30 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

30 m

Plant height mean:

17 m

Woodiness :

woody

Physiology

The physiology of Aesculus indica is characterized by a specialized metabolic framework and specific morphological dimensions that support its growth in temperate to subtropical environments. The plant utilizes a C3 photosynthetic pathway, a mechanism where the initial fixation of carbon dioxide occurs through the enzyme Rubisco to form a three-carbon compound, a process typical of most woody deciduous species. This metabolic strategy influences its water-use efficiency and carbon assimilation rates relative to environmental temperatures and light availability. Morphologically, the vegetative structure is defined by its foliage, where individual leaves can reach a maximum leaf length of 32 cm, providing a substantial surface area for light interception and gas exchange necessary to sustain its physiological functions.

Leaf length max:

32 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Aesculus indica is primarily driven by sexual processes, as asexual reproduction is notably absent in this species. The flowering period is relatively concentrated, typically beginning in June and concluding in July. Following pollination, the plant produces fruits with an average length of 6 cm and an average width of 5.5 cm. The seeds produced are substantial, with a mean mass of approximately 23.99 g, ranging from a minimum of 23.256 g to a maximum of 24.731 g, and maintaining a consistent mean width of 6 mm (with a minimum and maximum of 6 mm). Regarding the movement of offspring, the plant exhibits an unspecialized dispersal syndrome, utilizing various methods rather than relying on a single specific vector.

Dispersal syndrome :

unspecialized

Flowering time :

Jun

Flowering time :

Jul

Fruit length mean:

6 cm

Fruit width mean:

5.5 cm

Reproduction asexual :

absent

Seed mass max:

24.731 g

Seed mass mean:

23.9935 g

Seed mass min:

23.256 g

Seed width mean:

6 mm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Aesculus indica has 1 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include seed.

Seed

1. Natural product research
2. Pakistan journal of pharmaceutical sciences

Chemicals

Aesculus indica has 8 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Aescin, Flavonoid, Flavonol, Phytosterols, Tannin.

Aescin

1. Natural product research

Flavonoid

1. Chemistry & biodiversity

Flavonol

1. Chemistry & biodiversity

Phytosterols

1. Chemistry & biodiversity

Tannin

1. Chemistry & biodiversity

fatty acid esters

1. Chemistry & biodiversity

phenol

1. Chemistry & biodiversity

triterpenoids

1. Chemistry & biodiversity

Activities

Aesculus indica has 5 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antioxidant, Antidiabetic, Antimicrobial, Cytotoxic.

Antibacterial

1. Chemistry & biodiversity
2. Saudi journal of biological sciences

Antioxidant

1. Natural product research
2. Saudi journal of biological sciences

Antidiabetic

1. Natural product research

Antimicrobial

1. Natural product research

Cytotoxic

1. Natural product research

Conditions

Aesculus indica has 10 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include joint pain, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, arthritis.

Joint pain

1. Natural product research
2. Journal of ethnobiology and ethnomedicine

Escherichia coli

1. Chemistry & biodiversity

Pseudomonas aeruginosa

1. Chemistry & biodiversity

Staphylococcus aureus

1. Chemistry & biodiversity

Arthritis

1. Natural product research

Fever

1. Natural product research

Hepatocellular carcinoma

1. Pakistan journal of pharmaceutical sciences

Inflammation

1. Natural product research

Rheumatism

1. Natural product research

Skin diseases

1. Natural product research

Preparations

Aesculus indica has 5 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include acetone extract, aqueous fraction, crude extract, distilled water, methanol extract.

Acetone extract

1. Chemistry & biodiversity

Aqueous fraction

1. BMC complementary and alternative medicine

Crude extract

1. BMC complementary and alternative medicine

Distilled water

1. Chemistry & biodiversity

Methanol extract

1. Chemistry & biodiversity