Salix oritrepha

Names and Synonyms

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 the class Equisetopsida. Within the subclass Magnoliidae, it is situated in the order Malpighiales and the family Salicaceae. Ultimately, its taxonomic identity is defined by its membership in the genus Salix.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution across several distinct regions of China. It can be found growing within the landscapes of China South-Central and China North-Central. Furthermore, its range extends into the northern territories of Inner Mongolia. The species is also documented to inhabit the high-altitude areas of Qinghai. Finally, its presence is noted throughout the vast plateau of Tibet.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Salix oritrepha is characterized by its specific adaptation to high-altitude environments, where it thrives within a distinct altitudinal band. This plant is predominantly found in montane or alpine zones, occupying an elevational range that begins at a minimum of 3200 m AMSL. Within this habitat, it maintains a mean elevation of approximately 3750 m AMSL, indicating a preference for mid-to-high mountain ecosystems. The species demonstrates significant resilience to the harsh conditions of high-elevation life, reaching its upper ecological limit at a maximum altitude of 4300 m AMSL.

Elevational range max:

4300 m AMSL

Elevational range mean:

3750 m AMSL

Elevational range min:

3200 m AMSL

Life history

The life history of Salix reticulata (often associated with subarctic willow species like those in the Salix genus) is characterized by a perennial lifecycle, meaning the individual plants persist for many years rather than completing their cycle in a single season. As a perennial, the plant undergoes successive cycles of seasonal growth, typically emerging from dormant buds in the spring to develop foliage and woody structures that contribute to its long-term survival. This extended lifespan allows the plant to establish robust root systems and accumulate resources over time, which is essential for surviving in its specific ecological niches. While the plant remains a permanent fixture in its environment, its reproductive output and vegetative expansion may vary depending on seasonal climatic conditions and resource availability.

Lifecycle :

perennial

Morphology

The morphology of Salix oritrepha is characterized by a woody growth form, specifically classified as a shrub. It is a self-supporting plant that does not function as a climber or a parasite, maintaining an independent existence. In terms of its habitat and lifestyle, it is a terrestrial species rather than an aquatic or epiphytic one. The plant maintains a relatively modest stature, with height measurements ranging from a minimum of 0.6 m to a maximum of 1.2 m, resulting in an average plant height of approximately 0.9 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

1.2 m

Plant height mean:

0.9 m

Plant height min:

0.6 m

Woodiness :

woody

Physiology

The physiology of Salix oreitrepha is characterized by a C3 photosynthetic pathway, a metabolic strategy common among temperate woody species that optimizes carbon fixation under moderate light and temperature conditions. Its vegetative morphology is defined by relatively small, narrow leaves, which play a critical role in its gas exchange and transpiration regulation. The leaf dimensions exhibit specific morphological constraints, with leaf lengths ranging from a minimum of 1 cm to a maximum of 1.5 cm, maintaining a mean length of 1.25 cm. Correspondingly, the leaf width varies between a minimum of 0.4 cm and a maximum of 0.8 cm, resulting in a mean width of 0.6 cm. These compact leaf dimensions likely contribute to the plant's physiological adaptation to its specific environmental niche, balancing photosynthetic efficiency with water conservation.

Leaf length max:

1.5 cm

Leaf length mean:

1.25 cm

Leaf length min:

1 cm

Leaf width max:

0.8 cm

Leaf width mean:

0.6 cm

Leaf width min:

0.4 cm

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Salix oritrepha has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include BETA-SITOSTEROL, Friedelin, Luteolin 7-O-glucoside.

BETA-SITOSTEROL

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

Friedelin

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

Luteolin 7-O-glucoside

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