Pteroxygonum denticulatum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Fallopia denticulata
• Polygonum denticulatum

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 ordered under Caryophyllales and placed in the family Polygonaceae. Ultimately, it is identified by the genus Pteroxygonum, with the specific species being Pteroxygonum denticulaatum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution across certain regions of East Asia. It is primarily documented within the South-Central part of China. Additionally, its presence extends into the high-altitude landscapes of Tibet. These locations represent the known habitats where the species can be found growing naturally. Consequently, its range is concentrated within these particular Chinese territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pteroxygonum denticulatum is characterized by a highly specific altitudinal niche, as it is documented to exist within a very narrow environmental band. The species is found at a consistent elevation of 2450 m AMSL, representing its minimum, mean, and maximum elevational range. This precise vertical distribution suggests that the plant is adapted to the specific climatic conditions, such as temperature gradients, atmospheric pressure, and moisture levels, found exclusively at this high-altitude threshold.

Elevational range max:

2450 m AMSL

Life history

The life history of Pteroxygonum denticulatum is characterized by its status as a perennial plant, allowing it to persist in its environment through multiple growing seasons. As a long-lived species, it does not follow the rapid single-season cycle of annuals or the two-year cycle of biennials, but instead maintains a sustained presence within its ecological niche. This perennial nature enables the plant to establish robust root systems and accumulate resources over time, facilitating repeated reproductive efforts and greater resilience against seasonal environmental fluctuations.

Lifecycle :

perennial

Physiology

The physiology of Pteroxygonum denticulatum is characterized by significant morphological variability in its foliar structure, which plays a critical role in its photosynthetic capacity and environmental adaptation. The leaf dimensions exhibit a wide range of plasticity, with leaf lengths varying from a minimum of 3 cm to a maximum of 11 cm, resulting in a calculated mean leaf length of 7 cm. Complementing this longitudinal variation is a corresponding breadth in leaf width, which fluctuates between a minimum of 2 cm and a maximum of 5 cm. This structural diversity in leaf surface area suggests a physiological mechanism for optimizing light interception and gas exchange across different microclimates or developmental stages.

Leaf length max:

11 cm

Leaf length mean:

7 cm

Leaf length min:

3 cm

Leaf width max:

5 cm

Leaf width min:

2 cm

Reproduction

Reproduction in Pteroxygonum denticulatum is characterized by its specific flowering structures, which are organized into inflorescences that serve as the primary site for sexual reproduction. These inflorescences exhibit a consistent size range, typically measuring between a minimum of 0.1 m and a maximum of 0.15 m in length. Within these floral arrangements, the arrangement of flowers facilitates the necessary biological processes for pollination and subsequent seed development. The controlled dimensions of the inflorescence length ensure a specific spatial distribution of blooms, which is critical for the plant's reproductive success and its interaction with potential pollinators.

Inflorescence length max:

0.15 m

Inflorescence length min:

0.1 m

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Pteroxygonum denticulatum has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include (+)-catechin, (-)-Epicatechin gallate, Gallic acid, SYRINGIC ACID.

(+)-catechin

1. Biomedical chromatography : BMC

(-)-Epicatechin gallate

1. Biomedical chromatography : BMC

Gallic acid

1. Biomedical chromatography : BMC

SYRINGIC ACID

1. Biomedical chromatography : BMC

Preparations

Pteroxygonum denticulatum has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include red dye.

Red dye

1. Journal of ethnobiology and ethnomedicine