Cremanthodium discoideum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Cremanthodium cuculliferum
• Senecio discoideus

Sources: Wikidata

Taxonomical Classification

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

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical range across several key regions of Asia. In China, it is widely distributed throughout the South-Central and North-Central territories. Its presence is also documented in the high-altitude landscapes of Qinghai and Tibet. Furthermore, the species extends into the Indian Subcontinent, specifically within the East Himalaya region. Together, these locations highlight the plant's preference for diverse mountainous and central Asian habitats.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Cremanthodium discoideum is defined by its distribution within high-altitude environments, specifically occupying specialized niches across a significant vertical gradient. This species thrives in mountainous terrains, with its presence spanning a broad elevational range that begins at a minimum of 3000 m AMSL. As the topography ascends, the plant maintains a presence through a mean elevation of approximately 4200 m AMSL, reaching its upper ecological limit at a maximum altitude of 5400 m AMSL. Such a distribution suggests an adaptation to the unique climatic conditions, reduced oxygen levels, and intense solar radiation characteristic of alpine and subalpine ecosystems.

Elevational range max:

5400 m AMSL

Elevational range mean:

4200 m AMSL

Elevational range min:

3000 m AMSL

Life history

The life history of Cremanthodium discoideum is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. As a perennial species, it maintains its biological presence over an extended period, distinguishing it from annual or biennial life cycles that conclude after a single reproductive event. This longevity enables the plant to establish a more stable presence within its ecological niche, undergoing repeated cycles of vegetative growth and flowering. Through its perennial nature, the plant can accumulate resources over time, facilitating robust development and ensuring long-term survival in its natural habitat.

Lifecycle :

perennial

Morphology

The morphology of Cremanthodium discoideum is characterized by its growth form as a non-woody herb, specifically classified as a forb. It functions as an independent organism, neither acting as a parasite nor as an epiphyte, maintaining a terrestrial existence. In terms of its habit, the plant is self-supporting rather than behaving as a liana, vine, or any other type of climber. While its ecological niche can span across aquatic, semiaquatic, and terrestrial environments, its fundamental structural classification remains that of a non-woody, self-supporting terrestrial herb.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiological characteristics of the foliage in Cremanthodium discoideum are defined by specific morphological dimensions that govern its photosynthetic surface area. The leaves exhibit a variable length, with a minimum measurement of 1.5 cm, a mean length of 2.75 cm, and a maximum extension reaching 4 cm. Correspondingly, the width of the leaves shows a range of physiological development, starting from a minimum width of 0.7 cm, maintaining a mean width of 1.1 cm, and expanding to a maximum width of 1.5 cm. These precise dimensional parameters reflect the plant's structural adaptation and its capacity for light interception through its leaf architecture.

Leaf length max:

4 cm

Leaf length mean:

2.75 cm

Leaf length min:

1.5 cm

Leaf width max:

1.5 cm

Leaf width mean:

1.1 cm

Leaf width min:

0.7 cm

Reproduction

The reproduction of Cremanthodium discoideum is characterized by the development of small, specialized fruits that facilitate its dispersal. These fruits exhibit specific dimensional variations, with a recorded minimum length of 0.2 cm and a maximum length reaching up to 0.4 cm. On average, the fruit length maintains a mean value of 0.3 cm, reflecting a consistent morphological pattern within the species during its reproductive cycle.

Fruit length max:

0.4 cm

Fruit length mean:

0.3 cm

Fruit length min:

0.2 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Cremanthodium discoideum has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 1A.

1A

1. Journal of natural products