Aster tongolensis

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Aster subcoeruleus
• Aster tongolensis f. ramosus
• Diplactis tongolensis

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Aster tongolensis, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified within the class Equisetopsida and the subclass Magnoliidae, falling under the order Asterales. Furthermore, it is a member of the Asteraceae family and is specifically categorized under the genus Aster.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific range of occurrence across certain regions of East Asia. Its primary distribution can be found within the diverse landscapes of China South-Central. Additionally, the species is documented to inhabit the territories of China North-Central. The geographical footprint of the plant also extends into the high-altitude terrains of Tibet. Together, these areas define the known natural habitat for Aster tongolensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Aster tongolensis is characterized by its presence within high-altitude montane or alpine ecosystems, where it occupies a specific vertical niche. This species is primarily found within an elevational range that begins at 2,800 m AMSL and extends up to a maximum of 4,000 m AMSL. Within this distribution, the plant thrives most consistently around a mean elevation of 3,400 m AMSL, indicating its preference for the subalpine to alpine transition zones. These elevations typically subject the plant to cooler temperatures, intense solar radiation, and seasonal variations in moisture, defining the environmental constraints of its natural habitat.

Elevational range max:

4000 m AMSL

Elevational range mean:

3400 m AMSL

Elevational range min:

2800 m AMSL

Life history

The life history of Aster tongolensis is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons within its natural habitat. As a perennial species, it does not complete its entire life cycle in a single year but instead undergoes repeated cycles of vegetative growth and reproductive flowering. This longevity enables the plant to establish a robust presence in its ecosystem, often developing more extensive root systems over time to support its continuous biological processes. Throughout its lifespan, the plant navigates seasonal changes, entering periods of active growth when environmental conditions are favorable and relying on its perennial structure to survive unfavorable intervals before resuming its life cycle.

Lifecycle :

perennial

Morphology

The morphology of Aster tongolenis is characterized by its growth form as a herb and a forb, displaying a non-woody structure throughout its development. This plant functions as a self-supporting clamber, lacking the obligatory or facultative climbing mechanisms found in many other species within its group, and instead maintaining its structural integrity through its herbaceous habit.

Climber :

self-supporting

Growth form :

herb

Woodiness :

non-woody

Physiology

The physiological architecture of the foliage in Aster tongolenis is characterized by significant morphological variability in its leaf dimensions. The leaves exhibit a broad range of development, with minimum lengths recorded at 1 cm and a mean length of approximately 2.5 cm, while the most robust specimens can reach a maximum length of 4 cm. This longitudinal variation is accompanied by a specific width profile, where the narrowest leaves measure 0.5 cm in width, extending to a maximum width of 1.8 cm. These dimensional fluctuations suggest a plastic physiological response to environmental variables, influencing the surface area available for photosynthetic activity and gas exchange within the plant's structural framework.

Leaf length max:

4 cm

Leaf length mean:

2.5 cm

Leaf length min:

1 cm

Leaf width max:

1.8 cm

Leaf width min:

0.5 cm

Reproduction

The reproduction of Aster tongolenis is characterized by the production of highly uniform fruit and seeds, which are essential for its propagation. The fruit produced by this species exhibits a consistent morphology, with a mean fruit length of 0.2 cm, a value that remains constant across its minimum and maximum recorded measurements (0.2 cm). Accompanying these fruits are seeds that display extreme morphological stability; the seed mass is consistently measured at a mean of 0.0012 g, with the minimum and maximum mass values also being precisely 0.0012 g. This lack of variance in both fruit dimensions and seed weight suggests a highly standardized reproductive output for the species.

Fruit length max:

0.2 cm

Seed mass mean:

0.0012 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Aster tongolensis has 6 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include CATALASE, Flavonoids, Peroxidase, Superoxide dismutase, Tannins.

CATALASE

1. Scientific reports

Flavonoids

1. Scientific reports

Peroxidase

1. Scientific reports

Superoxide dismutase

1. Scientific reports

Tannins

1. Scientific reports

Trypsin inhibitor

1. Scientific reports