Sichuan Arborvitae

Names and Synonyms

Common Names

• Sichuan Arborvitae
• Sichuan thuja

Scientific Names

Accepted name

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 class Equisetopsida. Within the subclass Pinidae and order Pinales, it is a member of the family Cupressaceae. Specifically, its taxonomic identity is defined by the genus Thuja, with the species name sutchensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Thuja sutchuenensis, exhibits a specific and limited geographical range. Its natural distribution is primarily concentrated within the regional landscapes of China. Specifically, it is found throughout the South-Central portions of the country. This localized presence suggests that the species thrives within the unique ecological conditions of these southern provinces. Therefore, understanding its habitat in South-Central China is essential for studying its natural environment.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Thuja sutchuenensis is characterized by its classification as a phanerophyte, specifically manifesting as both a phanerophyte and a nanophanerophyte depending on its developmental stage and environmental conditions. As a long-lived coniferous evergreen, its life cycle begins with the germination of seeds produced in woody cones, leading to a slow-growing perennial existence. During its maturation, the plant maintains its reproductive and photosynthetic organs well above the ground, consistent with its phanerophyte status, which allows it to withstand varying seasonal shifts. The growth pattern involves the gradual development of a woody structure, where the height and canopy density can fluctuate, occasionally transitioning between the characteristics of a larger phanerophyte and a smaller nanophanerophyte in stunted or high-altitude environments. This life history strategy ensures persistence in its native habitats through robust structural development and continuous foliage presence.

Life form :

phanerophyte

Morphology

The morphology of Thuja sutchuenensis is characterized by a robust, woody growth habit, as it is a perennial tree that develops a permanent, lignified structure. Unlike climbing species, it does not exhibit any climbing behavior, functioning as a self-supporting organism rather than an obligatory, facultative, or self-supporting climber. Furthermore, it is not a parasite, maintaining an independent physiological existence without relying on host organisms for nutrients. As a terrestrial plant, it lacks epiphyte characteristics, growing directly in the soil rather than existing in an obligatory, facultative, or terrestrial epiphytic state.

Climber :

self-supporting

Epiphyte :

terrestrial

Parasite :

independent

Woodiness :

woody

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Thuja sutchuenensis has 2 reported plant parts identified across 3 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root, stem.

Root

1. Bioorganic chemistry
2. Fitoterapia

Stem

1. Bioorganic chemistry

Activities

Thuja sutchuenensis has 1 reported activities identified across 3 scientific publications and several other databases. The most consistently reported activities include Antibacterial.

Antibacterial

1. Bioorganic chemistry

Preparations

Thuja sutchuenensis has 2 reported preparations identified across 3 scientific publications and several other databases. The most consistently reported preparations include 95% ethanolic extract, ethanolic extract of the stems and roots.

95% ethanolic extract

1. Fitoterapia

Ethanolic extract of the stems and roots

1. Bioorganic chemistry