Parasenecio deltophyllus

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Cacalia deltophylla
• Koyamacalia deltophylla
• Senecio deltophyllus

Sources: Wikidata

Taxonomical Classification

This plant, Parasenecio deltophyllus, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is further classified under the order Asterales and the family Asteraceae. Its specific taxonomic identification is completed within the genus Parasenecio.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Parasenecio deltophyllus, exhibits a specific geographical distribution across certain regions of China. It can be found growing within the South-Central areas of the country. Additionally, the species is documented to inhabit the North-Central parts of China. Its presence also extends into the province of Qinghai. These locations highlight the particular environmental niches where this medicinal plant thrives.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Parasenecio deltophyllus is strictly defined by its preference for high-altitude montane environments, where it occupies a specialized niche within specific altitudinal gradients. This species is primarily found in alpine or sub-alpine zones, characterized by an elevational range that begins at a minimum of 3,100 m AMSL. As the terrain ascends, the plant thrives through a mean elevation of 3,550 m AMSL, indicating its adaptation to the cooler temperatures and distinct atmospheric pressures associated with mid-to-high mountain ecosystems. The upper limit of its ecological distribution reaches a maximum of 4,000 m AMSL, marking the threshold beyond which environmental stressors likely become too severe for its survival. This narrow vertical distribution suggests that the plant is highly sensitive to altitudinal shifts and is ecologically tuned to the unique climatic conditions found within this specific highland bracket.

Elevational range max:

4000 m AMSL

Elevational range mean:

3550 m AMSL

Elevational range min:

3100 m AMSL

Life history

The life history of Parasenecio deltophyllus is characterized by a perennial lifecycle, meaning the plant lives for more than two years and undergoes multiple reproductive cycles throughout its existence. Unlike annuals that complete their cycle in a single growing season or biennials that require two years to flower, this species maintains a sustained presence in its habitat, allowing it to establish a robust root system and accumulate resources over time. This long-lived strategy enables the plant to persist through varying environmental conditions and provides it with the opportunity to reproduce across several successive seasons, contributing to its long-term stability within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Parasenecio deltophyllus is characterized by its herbaceous growth form, manifesting primarily as a non-woody herb. It functions as a self-supporting climber, utilizing its structural development to ascend without the necessity of external host reliance, though it maintains a delicate, non-woody constitution throughout its vegetative parts.

Climber :

self-supporting

Growth form :

herb

Woodiness :

non-woody

Physiology

The physiology of Parasenecio deltophyllus is characterized by distinct morphological dimensions of its foliage that reflect its vegetative growth patterns. The leaves exhibit a significant range in development, with a mean leaf length of 7 cm, though they can vary from a minimum of 4 cm to a maximum of 10 cm. Complementing this longitudinal variation is the leaf width, which maintains a mean of 6 cm, fluctuating between a minimum of 5 cm and a maximum of 7 cm. These specific dimensional parameters suggest a controlled expansion of the laminar surface area, which is critical for the plant's photosynthetic efficiency and metabolic regulation.

Leaf length max:

10 cm

Leaf length mean:

7 cm

Leaf length min:

4 cm

Leaf width max:

7 cm

Leaf width mean:

6 cm

Leaf width min:

5 cm

Reproduction

The reproduction of Parasenecio deltophyllus is characterized by the development of small, specialized fruit structures that serve as the primary vehicle for seed dispersal. These fruits exhibit a relatively narrow size range, with a mean fruit length of 0.35 cm. Specifically, the fruit dimensions fluctuate between a minimum length of 0.3 cm and a maximum length of 0.4 cm. Contained within these fruits are the seeds, which possess a mean seed mass of 0.1656 g, a metric that plays a vital role in the plant's ability to propagate and establish new individuals within its ecological niche.

Fruit length max:

0.4 cm

Fruit length mean:

0.35 cm

Fruit length min:

0.3 cm

Seed mass mean:

0.1656 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Parasenecio deltophyllus has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Sesquiterpene.

Sesquiterpene

1. Die Pharmazie