Hymenolaena candollei

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Pleurospermum candollei
• Hymenolaena latifolia

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Apiales. Finally, it is a member of the family Apiaceae and falls under the genus Hymenolena.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Hymenolenae candollei, exhibits a specific geographical range across parts of Asia. Within Western Asia, its presence can be documented in Afghanistan. Moving toward the Indian Subcontinent, the species is also found in Pakistan. Additionally, it occupies territories within the West Himalaya region of the Indian Subcontinent. These locations define the natural distribution pattern of this medicinal species.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Hymenolaena candollei is characterized by its highly specialized niche within extreme high-altitude environments. This species is strictly confined to a narrow vertical band within the alpine ecosystem, occupying a specific elevational range between 4200 m AMSL and 4300 m AMSL. Such a limited altitudinal distribution suggests a high degree of adaptation to the unique physiological stressors found at these heights, including intense ultraviolet radiation, low atmospheric pressure, and significant diurnal temperature fluctuations. The plant's presence within this precise 100-meter elevation window indicates a dependency on the specific climatic and edaphic conditions unique to this high-mountain zone, making it a specialist of the uppermost montane or puna-like habitats.

Elevational range max:

4300 m AMSL

Elevational range min:

4200 m AMSL

Life history

The life history of Hymenolenaeana candollei is characterized by an annual lifecycle, meaning the plant completes its entire developmental sequence from seed germination to flowering and seed production within a single growing season. As an annual species, it follows a rapid physiological progression that begins with the germination of seeds triggered by seasonal environmental cues. Following germination, the plant undergoes a period of vegetative growth, establishing its structural framework and accumulating the necessary biomass and nutrients to support future reproductive efforts. Once a critical threshold of maturity is reached, the plant transitions into its reproductive phase, producing flowers that facilitate pollination. Following successful fertilization, the plant allocates its remaining energy toward seed maturation and dispersal, ensuring the continuity of the next generation before the parent individual senesces at the conclusion of its annual cycle.

Lifecycle :

annual

Morphology

The morphology of Hymenolaena candollei is characterized by its growth form as a herb, exhibiting a non-woody structure throughout its development. It functions as an independent organism, lacking any parasitic tendencies, and manifests its climbing habit as a self-supporting climber.

Climber :

self-supporting

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Reproduction

The reproduction of Hymenoloeana candollei is characterized by a specific seasonal flowering window that dictates its reproductive cycle. The plant initiates its flowering period in July, marking the beginning of its reproductive phase for the season. This period of floral activity continues through the late summer months, eventually reaching its conclusion in August. While the timing of these reproductive stages is centered around this mid-year window, the phenological patterns can be subject to environmental variability.

Flowering time :

Jul

Flowering time :

Aug

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Hymenolaena candollei has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Malondialdehyde.

Malondialdehyde

1. Inflammopharmacology

Preparations

Hymenolaena candollei has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include P. candollei butanol extract.

P. candollei butanol extract

1. Inflammopharmacology