Rhamnus formosana

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Rosales, it is classified under the family Rhamnaceae. Finally, it is identified by the genus Rhamnus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is native to a specific region within the Eastern Asia continent. Its natural habitat is strictly confined to the island of Taiwan. Within this localized area, it thrives under certain environmental conditions unique to the landscape. Because its range is so limited, the species is considered an endemic plant of the region. Consequently, the geographical distribution of Rhamnus formosanana is characterized by this singular, focused territory.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Rhamnus formosana is characterized by a highly specific altitudinal niche, primarily concentrated within a narrow vertical band of its habitat. This species exhibits a precise elevational range that centers around a mean altitude of 1000 m AMSL. This specialized distribution is strictly bounded, with both its minimum and maximum recorded elevations occurring at 1000 m AMSL, suggesting that the plant thrives within a very specific environmental stratum and may be highly sensitive to the varying temperature and moisture gradients found at different heights.

Elevational range max:

1000 m AMSL

Life history

The life history of Rhamnus formosana is characterized by its status as a perennial species, allowing it to persist in its environment over multiple growing seasons. As a long-lived woody plant, it avoids the rapid turnover seen in annuals or biennials, instead focusing its energy on structural development and long-term survival within its native ecological niches. This perennial nature enables the plant to establish a robust root system and a stable canopy, facilitating repeated reproductive cycles over many years. Through its extended lifecycle, Rhamnus formosana can adapt to seasonal fluctuations and contribute consistently to the stability of its habitat.

Lifecycle :

perennial

Morphology

The morphology of Rhamnus formosana is characterized by a woody growth habit, functioning primarily as a shrub. This plant typically reaches a mean height of approximately 10 m, exhibiting a robust structural development. In terms of its growth form, it is categorized as a shrub, and it possesses a self-supporting climbing mechanism, allowing it to maintain its physical structure without the necessity of external support.

Climber :

self-supporting

Growth form :

shrub

Plant height mean:

10 m

Woodiness :

woody

Physiology

The physiology of Rhamnus formosana is characterized by specific vegetative growth patterns and morphological adaptations that support its metabolic processes. A key physiological indicator of its development is the expansion of its foliage, where leaf surface area is optimized for light interception and gas exchange. The dimensions of the leaves vary according to environmental conditions and developmental stages, with the leaf width typically ranging from a minimum of 2 cm to a maximum of 6 cm. This variation in leaf width plays a crucial role in regulating transpiration rates and photosynthetic efficiency, allowing the plant to manage water loss and carbon fixation effectively within its habitat.

Leaf width max:

6 cm

Leaf width min:

2 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Rhamnus formosana has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root.

Root

1. Phytochemistry

Chemicals

Rhamnus formosana has 2 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include 1,6,8-Trihydroxy-3-methylanthraquinone 1-O-rhamnosyl(1-2)glucoside, Rhamnocitrin 3-O-isorhamninoside.

1,6,8-Trihydroxy-3-methylanthraquinone 1-O-rhamnosyl(1-2)glucoside

1. Phytochemistry

Rhamnocitrin 3-O-isorhamninoside

1. Phytochemistry

Preparations

Rhamnus formosana has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include roots.

Roots

1. Phytochemistry