Arenaria polytrichoides

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Dolophragma polytrichoides

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. It is further classified within the order Caryophyllales and the family Caryophyllaceae. Finally, it is identified under the genus Arenaaria.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical range across several high-altitude regions in Asia. Within China, it can be found in the South-Central areas as well as in the provinces of Qinghai and Tibet. Its distribution extends into the Indian Subcontinent, specifically inhabiting the East Himalaya region. Furthermore, the species is documented to grow within the mountainous terrain of Nepal. These diverse locations highlight the plant's ability to thrive in specific Himalayan and Chinese ecosystems.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Arenaaria polytrichoides is characterized by its distribution within high-altitude alpine environments, where it thrives across a significant vertical gradient. This species is found at elevations ranging from a minimum of 3500 m AMSL to a maximum of 5300 m AMSL, occupying specialized niches within these mountainous ecosystems. The ecological preference of the plant is centered around a mean elevation of 4400 m AMSL, suggesting it is well-adapted to the unique climatic conditions, such as lower temperatures and varying oxygen levels, typical of the high-altitude zones found within this specific altitudinal belt.

Elevational range max:

5300 m AMSL

Elevational range mean:

4400 m AMSL

Elevational range min:

3500 m AMSL

Life history

The life history of Arenaaria polytrichoides is characterized by its status as a perennial organism, meaning it persists through multiple growing seasons rather than completing its cycle in a single year. As a perennial, the plant establishes a long-term presence in its habitat, allowing it to undergo repeated cycles of vegetative growth and reproductive development. This enduring lifecycle enables the species to accumulate resources over time, contributing to its ability to survive seasonal fluctuations and maintain stability within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Arenaaria polytrichoides is characterized by a herbaceous growth form, specifically classified as a non-woody herb. As a terrestrial species, it does not exhibit climbing behavior, instead functioning as a self-supporting plant. Its stature is relatively diminutive, with plant heights ranging from a minimum of 0.025 m to a maximum of 0.11 m, maintaining an average height of approximately 0.0675 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Plant height max:

0.11 m

Plant height mean:

0.0675 m

Plant height min:

0.025 m

Woodiness :

non-woody

Physiology

The physiology of Arenaaria polytrichoides is characterized by specific morphological dimensions of its foliage that reflect its developmental growth patterns. The leaf length within this species exhibits significant variability, ranging from a minimum of 0.5 cm to a maximum of 1 cm. On average, the plant maintains a mean leaf length of 0.75 cm, a metric that plays a crucial role in its photosynthetic capacity and overall metabolic regulation. These dimensions are essential physiological indicators of the plant's resource allocation and its adaptation to its specific environmental niche.

Leaf length max:

1 cm

Leaf length mean:

0.75 cm

Leaf length min:

0.5 cm

Reproduction

Reproduction in Arenaria polytrichoides is characterized by the development of specialized fruit structures that serve as the primary mechanism for seed dispersal and the continuation of the species. The fruits produced by this plant are remarkably consistent in size, exhibiting a uniform morphological profile across different specimens. Specifically, the fruit length is characterized by a highly stable measurement, with a mean, minimum, and maximum value all recorded at exactly 0.15 cm. This lack of variance in fruit dimensions suggests a highly regulated developmental process during the maturation of the reproductive organs. Through these small, standardized fruits, the plant ensures the distribution of its progeny, facilitating the colonization of suitable habitats.

Fruit length max:

0.15 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Arenaria polytrichoides has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Glycosides.

Flavonoids

1. Guang pu xue yu guang pu fen xi = Guang pu

Glycosides

1. Guang pu xue yu guang pu fen xi = Guang pu

Preparations

Arenaria polytrichoides has 4 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include ethyl acetate extracts (EtOAc-E), n-butanol extracts (n-BuOH-E), petroleum ether extracts (PE-E), water extracts (H2O-E).

Ethyl acetate extracts (etoac-e)

1. Guang pu xue yu guang pu fen xi = Guang pu

N-butanol extracts (n-buoh-e)

1. Guang pu xue yu guang pu fen xi = Guang pu

Petroleum ether extracts (pe-e)

1. Guang pu xue yu guang pu fen xi = Guang pu

Water extracts (h2o-e)

1. Guang pu xue yu guang pu fen xi = Guang pu