Himalayan Redberry Creeper

Names and Synonyms

Common Names

• Himalayan Redberry Creeper

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is further categorized under the order Lamiales and the family Plantaginaceae. Finally, its specific taxonomic placement is within the genus Hemiphragma.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several key regions of East Asia. Within China, its presence is noted in the South-Central, North-Central, and Southeast territories. Additionally, it can be found growing in the high-altitude regions of Tibet. Beyond the mainland, the species is also documented in the island territory of Taiwan. This pattern demonstrates that the plant thrives in various ecological zones across the eastern part of the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Hemiphragma heterophyllum is characterized by its presence in high-altitude montane environments, where it occupies a broad vertical distribution across the landscape. This species thrives across a significant altitudinal gradient, with its habitat spanning from a minimum elevation of 1500 m AMSL to a maximum peak of 4300 m AMSL. Throughout its natural range, the plant maintains a mean elevation of approximately 3500 m AMSL, suggesting that it is most frequently found within subalpine or alpine ecological zones. This wide elevational range indicates a high degree of adaptability to varying environmental stressors associated with increasing altitude, such as fluctuating temperatures and varying atmospheric pressures.

Elevational range max:

4300 m AMSL

Elevational range mean:

3500 m AMSL

Elevational range min:

1500 m AMSL

Life history

The life history of Hemiphragma heterophyllum is characterized by its status as a perennial plant, allowing it to persist in its environment over multiple growing seasons. As a long-lived species, it avoids the rapid turnover seen in annuals, instead investing energy into establishing robust vegetative structures that support its survival through successive years. This perennial lifecycle enables the plant to navigate seasonal fluctuations and develop complex morphological features, such as its characteristic heterophylly, as it matures within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Hemiphragma heterophyllum is characterized by its growth form as a non-woody herb. It functions as a self-supporting climber, exhibiting a structural habit that allows it to ascend without requiring external hosts. As an independent organism, it does not exhibit parasitic behavior and maintains a terrestrial lifestyle rather than being an epiphyte.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiological characteristics of Hemiphragma heterophyllum are significantly defined by its leaf morphology, which exhibits a distinct range of dimensions critical to its metabolic processes. The leaf length within this species shows notable variability, reflecting adaptive physiological responses to its environment. The leaves typically maintain a mean length of 1.4 cm, though they can fluctuate based on developmental stages and environmental stressors. Specifically, the minimum recorded leaf length is 0.8 cm, while the maximum leaf length can reach up to 2 cm. This variation in leaf size directly influences the total photosynthetic surface area available for light interception and gas exchange, thereby playing a vital role in the plant's overall energy acquisition and resource management.

Leaf length max:

2 cm

Leaf length mean:

1.4 cm

Leaf length min:

0.8 cm

Reproduction

The reproduction of Hemiphragma heterophyllum is characterized by the development of small fruits and minute seeds. The fruits produced by this species typically exhibit a mean length of 0.55 cm, with dimensions ranging from a minimum of 0.5 cm to a maximum of 0.6 cm. Accompanying these fruits are seeds with extremely low mass, reflecting a highly specialized reproductive strategy. The seed mass varies slightly, with a minimum recorded value of 5e-05 g, a maximum of 6e-05 g, and an overall mean seed mass of 5.5e-05 g.

Fruit length max:

0.6 cm

Fruit length mean:

0.55 cm

Fruit length min:

0.5 cm

Seed mass max:

6e-05 g

Seed mass mean:

5.5e-05 g

Seed mass min:

5e-05 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Hemiphragma heterophyllum has 10 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include (+)-Pinoresinol, 24-Methylenecycloartanol, CINNAMIC ACID, Dihydrocatalpolgenin, Globularin.

(+)-Pinoresinol

1. Journal of Asian natural products research

24-Methylenecycloartanol

1. Journal of Asian natural products research

CINNAMIC ACID

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Dihydrocatalpolgenin

1. Journal of Asian natural products research

Globularin

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Hemiphroside A

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Iridolactone

1. Journal of Asian natural products research

JATAMANIN A

1. Journal of Asian natural products research

Plantainoside E

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

acetoside

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Preparations

Hemiphragma heterophyllum has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include ethanol extract, whole herb.

Ethanol extract

1. Planta medica

Whole herb

1. Journal of Asian natural products research