Cremanthodium ellisii

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Cremanthodium plantagineum f. ellisii
• Werneria ellisii

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. It further falls under the subclass Magnoliidae and the order Asterales, placing it in the family Asteraceae. Finally, it is categorized under the genus Cremanthodium.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a widespread distribution across several key regions in Asia. Within China, it can be found spanning from the South-Central areas to the North-Central territories. Its range also extends into the high-altitude regions of Qinghai and Tibet. Beyond China, the species is documented within the Indian Subcontinent, specifically in the East Himalaya. Collectively, these locations highlight the plant's presence across diverse mountain and central landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Cremanthodium ellisii is defined by its specialized habitat within high-altitude montane environments, where it thrives across a significant vertical gradient. This species is specifically adapted to alpine or sub-alpine zones, occupying an elevational range that begins at a minimum of 3,000 m AMSL and extends to a maximum of 5,100 m AMSL. Throughout its natural distribution, the plant maintains a mean elevation of approximately 3,800 m AMSL, suggesting a preference for the unique climatic conditions, such as lower temperatures and specific moisture regimes, characteristic of these high-mountain ecosystems.

Elevational range max:

5100 m AMSL

Elevational range mean:

3800 m AMSL

Elevational range min:

3000 m AMSL

Life history

The life history of Cremanthodium ellisii is characterized by its classification as a perennial species, meaning it maintains its biological functions and structural presence over multiple growing seasons rather than completing its life cycle in a single year. As a perennial, the plant undergoes repeated cycles of vegetative growth and seasonal development, allowing it to establish a more robust presence within its ecological niche compared to annual or biennial species. This long-term life strategy enables the plant to endure fluctuations in environmental conditions, accumulating resources over time to support reproductive efforts across various years. Depending on the stability of its habitat and available resources, its development can exhibit a variable nature, but its fundamental biological trajectory is defined by a sustained, multi-year existence.

Lifecycle :

perennial

Morphology

The morphology of Cremanthodium ellisii is characterized by its growth form as a herb, manifesting as a non-woody organism. It functions as a terrestrial plant, growing in soil rather than as an epiphyte. Regarding its structural habit, it acts as a self-supporting climber, possessing the physical capacity to ascend or spread through its own structural integrity.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Woodiness :

non-woody

Physiology

The physiological morphology of the foliage in Cremanthodium ellisii is characterized by significant variation in leaf dimensions, reflecting a wide range of developmental stages or environmental adaptations. The leaves exhibit a diverse longitudinal span, with a minimum length of 1.5 cm and a mean length of approximately 10.25 cm, reaching a maximum elongation of up to 19 cm. Complementing this longitudinal variability is a distinct breadth range, where leaf width fluctuates from a minimum of 1 cm to a maximum of 8 cm. This structural plasticity in leaf area, governed by the interplay between length and width, plays a critical role in the plant's photosynthetic capacity and its ability to regulate gas exchange and transpiration within its specific ecological niche.

Leaf length max:

19 cm

Leaf length mean:

10.25 cm

Leaf length min:

1.5 cm

Leaf width max:

8 cm

Leaf width min:

1 cm

Reproduction

The reproduction of Cremanthodium ellisii is characterized by the production of small, specialized fruits and remarkably lightweight seeds. The fruits produced by this species typically exhibit a mean length of 0.45 cm, with measurements ranging from a minimum of 0.4 cm to a maximum of 0.5 cm. Within these fruits, the seeds are exceptionally minute and uniform in their physical properties; the seed mass is consistently recorded at 0.00158 g, with no variation observed between the minimum, mean, and maximum mass values. This consistency in seed weight suggests a highly standardized reproductive output for the plant.

Fruit length max:

0.5 cm

Fruit length mean:

0.45 cm

Fruit length min:

0.4 cm

Seed mass mean:

0.00158 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

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

Sesquiterpenes

1. Phytochemistry