Himalayan elm

Names and Synonyms

Common Names

• Himalayan elm

Scientific Names

Accepted name

Synonyms

• Ulmus wallichiana subsp. xanthoderma
• Ulmus wallichiana var. tomentosa

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Rosales and is a member of the family Ulmaceae. Specifically, its taxonomic identity is defined by its placement in the genus Ulmus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution across several key regions in Asia. In Western Asia, its presence is notably recorded in Afghanistan. Moving into the Indian Subcontinent, the species can be found growing in Nepal. It also occupies significant territories within Pakistan. Furthermore, its range extends throughout the West Himalaya region of the Indian Subcontinent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Ulmus wallichiana is characterized by its specific niche within montane forest ecosystems, where it thrives across a distinct altitudinal gradient. This species is predominantly found in high-altitude environments, maintaining an elevational range that extends from a minimum of 1300 m AMSL to a maximum of 2300 m AMSL. Within this vertical zone, the plant typically colonizes moist, temperate slopes and river valleys, often forming part of the canopy in mixed coniferous or deciduous forests. Its distribution is closely tied to the availability of well-drained, fertile soils and moderate humidity levels common to these mid-to-high mountain reaches, allowing it to adapt to the seasonal temperature fluctuations characteristic of its specific elevational belt.

Elevational range max:

2300 m AMSL

Elevational range min:

1300 m AMSL

Life history

The life history of Ulmus wallichiana is characterized by its status as a perennial species, allowing it to establish long-term dominance within its ecological niche. As a long-lived woody plant, it undergoes a continuous life cycle that extends far beyond a single growing season, contributing to the stability of forest ecosystems. Its development involves an initial establishment phase from seed, followed by years of vegetative growth where it develops a robust woody structure and an expansive canopy. Because it is perennial, the plant experiences seasonal cycles of dormancy and active growth, re-emerging annually to produce foliage and reproductive structures. This enduring lifecycle enables the species to mature into large, structural components of its habitat, maintaining its presence through successive years of environmental fluctuations.

Lifecycle :

perennial

Morphology

The morphology of Ulmus wallichiana is characterized by its growth form as a large, woody tree. As a self-supporting organism, it does not function as a climber, liana, or vine, and it maintains an independent existence rather than acting as a parasite. The plant is strictly terrestrial in its habitat, lacking any aquatic or semiaquatic tendencies, and it does not exhibit epiphytic behavior. Its structural integrity is defined by its robust, woody nature, which supports its development as a significant tree within its ecosystem.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Ulmus wallichiana is characterized by a metabolic framework centered on the C3 photosynthetic pathway, a common trait among temperate deciduous trees that facilitates carbon fixation through the Calvin cycle. Within its leaf tissues, atmospheric carbon dioxide is captured and incorporated into a three-carbon compound, allowing the plant to thrive in the moist, cool environments of its natural montane habitats. This C3 mechanism, as opposed to C4 or CAM pathways, dictates the plant's water-use efficiency and gas exchange rates, making it highly responsive to seasonal temperature fluctuations and available moisture levels. The physiological processes are further supported by a vascular system designed to transport water and nutrients from the root network to the canopy, sustaining the high transpiration demands required to maintain turgor pressure and drive the metabolic activities necessary for growth and seasonal development.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Ulmus wallichiana is characterized by a specific seasonal flowering window that facilitates its pollination process. The flowering period typically begins in April and extends through May, though the timing can be variable depending on environmental conditions. This concentrated blooming phase is essential for the plant's reproductive cycle, marking the transition from vegetative growth to the production of reproductive structures.

Flowering time :

Apr

Flowering time :

May

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Ulmus wallichiana 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 stem.

Stem

1. Bioorganic & medicinal chemistry letters
2. Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research

Chemicals

Ulmus wallichiana has 1 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include 6-glucopyranosyl-4',5,7-trihydroxyflavanone.

6-glucopyranosyl-4',5,7-trihydroxyflavanone

1. Journal of ethnopharmacology

Activities

Ulmus wallichiana has 1 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Diuretic.

Diuretic

1. Journal of ethnopharmacology

Conditions

Ulmus wallichiana has 2 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include cardiac hypertrophy, fracture healing.

Cardiac hypertrophy

1. Frontiers in pharmacology

Fracture healing

1. Frontiers in pharmacology

Preparations

Ulmus wallichiana has 2 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include extracts made from the stem bark, stem bark.

Extracts made from the stem bark

1. Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research

Stem bark

1. Bioorganic & medicinal chemistry letters