Himalayan ivy

Names and Synonyms

Common Names

• Himalayan ivy

Scientific Names

Accepted name

Synonyms

• Hedera helix var. himalaica
• Hedera cinerea
• Cissus wallichiana
• Hedera himalaica
• Hedera helix var. cinerea

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Apiales. Within the family Araliaceae, it is identified by the genus Hedera, specifically as the species Hedera nepalaensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several distinct regions in South and Central Asia. Within Western Asia, its presence is documented in the country of Afghanistan. Moving into the Indian Subcontinent, it can be found growing in the state of Assam. The species also thrives throughout the East Himalaya and across the nation of Nepal. Finally, its geographical range extends further into the Indian Subcontinent to include Pakistan.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Hedera nepallensis is characterized by its specific altitudinal distribution within montane ecosystems, where it thrives across a significant vertical gradient. This species occupies a broad elevational range, beginning at a minimum altitude of 1400 m AMSL and extending up to a maximum of 3500 m AMSL. With an elevational range mean of 3500 m AMSL, the plant is predominantly adapted to higher-altitude environments, suggesting a strong ecological preference for the cooler, more specialized climatic conditions found in upper montane or subalpine zones. This distribution pattern influences its interaction with local microclimates, moisture availability, and the specific forest structures found within these diverse altitudinal belts.

Elevational range max:

3500 m AMSL

Elevational range min:

1400 m AMSL

Life history

The life history of Hedera nepalensis is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons and establish a stable presence within its ecological niche. Throughout its lifespan, the plant maintains an evergreen habit, ensuring that its foliage remains functional and visually present regardless of the seasonal shifts. This combination of a long-lived lifecycle and continuous leaf retention enables the species to effectively navigate its environment and maintain photosynthetic activity over extended periods.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Hedera nepaliensis is characterized by its growth form as a woody shrub that exhibits climbing tendencies. It functions as an obligatory climber, utilizing a self-supporting mechanism to ascend through its environment, acting as a liana or vine. Despite its climbing habit, it is categorized under an "other" growth form classification while maintaining the structural characteristics of a shrub. The plant is an independent organism, meaning it is not a parasite, and it is primarily a terrestrial species rather than an epiphyte. Its structural integrity is defined by its woody nature, providing the necessary support for its climbing lifestyle.

Climber :

self-supporting

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

other

Growth form :

shrub

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Hedera nepallensis is characterized by a C3 photosynthetic pathway, a common metabolic strategy that allows the plant to fix carbon dioxide through the Calvin cycle under typical environmental conditions. The morphological dimensions of its foliage reflect a significant range in size, which plays a crucial role in its light interception and gas exchange capabilities. The leaves exhibit a variable length, with minimum measurements starting at 5 cm, a mean length of approximately 8.5 cm, and a maximum extent reaching up to 12 cm. Complementing this longitudinal variation, the leaf width fluctuates between a minimum of 3 cm and a maximum of 10 cm, providing a diverse surface area profile that supports its physiological requirements for energy production and transpiration.

Leaf length max:

12 cm

Leaf length mean:

8.5 cm

Leaf length min:

5 cm

Leaf width max:

10 cm

Leaf width min:

3 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Hedera nepaltensis is characterized by a seasonal flowering period that typically commences in April and extends through August, though the specific timing can be variable across different months. Following successful pollination, the plant produces fruits that exhibit specific dimensional characteristics. These fruits generally maintain a mean length and width of approximately 1 cm, with a size range spanning from a minimum of 0.7 cm in both length and width to a maximum of 1.3 cm in both dimensions.

Flowering time :

Apr

Flowering time :

Aug

Fruit length max:

1.3 cm

Fruit length mean:

1 cm

Fruit length min:

0.7 cm

Fruit width max:

1.3 cm

Fruit width mean:

1 cm

Fruit width min:

0.7 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Hedera nepalensis 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 leaf.

Leaf

1. Andrologia
2. Phytotherapy research : PTR

Chemicals

Hedera nepalensis has 6 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include CHLOROGENIC ACID, Compound 20, Compound 28, Lupeol, RUTIN.

CHLOROGENIC ACID

1. Food chemistry

Compound 20

1. Natural product research

Compound 28

1. Natural product research

Lupeol

1. Phytotherapy research : PTR

RUTIN

1. Food chemistry

compound 8

1. Natural product research

Activities

Hedera nepalensis has 5 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antiandrogenic, Anticoagulant, Antidepressant, Antinociceptive, Antispermatogenic.

Antiandrogenic

1. Andrologia

Anticoagulant

1. Evidence-based complementary and alternative medicine : eCAM

Antidepressant

1. Evidence-based complementary and alternative medicine : eCAM

Antinociceptive

1. Evidence-based complementary and alternative medicine : eCAM

Antispermatogenic

1. Andrologia

Medicinal Uses

Hedera nepalensis has 4 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include antidepressant, cancer, edema, pain.

Most Reported Uses

Preparations