Pseudognaphalium cheiranthifolium

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Pseudognaphalium pellitum
• Gnaphalium cheiranthifolium f. citrinum
• Gnaphalium acutifolium
• Gnaphalium cheiranthifolium var. riedelianum
• Gnaphalium araucanum
• Gnaphalium cheiranthifolium var. subrufescens
• Gnaphalium cheiranthemifolium
• Gnaphalium cheiranthifolium
• Gnaphalium cheiranthifolium var. paniculatum
• Gnaphalium cheiranthifolium var. multiflorum
• Gnaphalium gaudichaudianum var. subrufescens
• Gnaphalium regnellii
• Gnaphalium riedelianum
• Gnaphalium valdivianum
• Gnaphalium viscosum
• Gnaphalium ecuadorense
• Gnaphalium ecuadorense var. boliviense

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, specifically falling under the class Equisetopsida and subclass Magnoliidae. Within the order Asterales, it is classified under the family Asteraceae. Finally, its taxonomic identity is defined by the genus Pseudognaphalium, specifically the species Pseudognaphalium cheiranthifolium.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution across several regions in South America. In Western South America, it can be found inhabiting the territories of Bolivia, Colombia, and Ecuador. The species also extends its range into the Brazilian continent. Within Brazil, its presence is documented specifically in the Southeast and South regions. Therefore, its geographical footprint covers both the western coast and southern parts of the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pseudognaphalium cheiranthiifolium is characterized by its broad adaptability across diverse altitudinal gradients, ranging from sea level (0 m AMSL) up to a maximum elevation of 4200 m AMSL, with a mean elevational range centered around 700 m AMSL. This species is primarily found inhabiting specific open environments, specifically within the Campo de Altitude and Campo Limpo ecosystems, where it thrives in these distinct high-altitude grasslands and open field habitats.

Elevational range max:

4200 m AMSL

Elevational range mean:

700 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Campo de Altitude, Campo Limpo

Life history

The life history of Pseudognaphalium cheiranthiifolium is characterized by a perennial lifecycle, allowing the plant to persist across multiple growing seasons. In terms of its structural development and survival strategy, it is classified as a hemicryptophyte, a life form where the perennating buds are located at or just below the soil surface, protected by leaf litter or surface debris. This hemicryptophytic nature ensures its ability to withstand seasonal environmental fluctuations while maintaining its presence within its ecological niche.

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Pseudognaphalium cheiranthifolium is characterized by its growth form as a non-woody herb. It is a self-supporting plant that does not function as a climber, whether obligatory or facultative, nor does it exhibit liana or vine-like tendencies. As a terrestrial species, it is neither aquatic nor semiaquatic, and it lacks any epiphytic habits, functioning strictly as a terrestrial organism rather than a holoepiphyte or hemiepiphyte. Furthermore, the plant is biologically independent, showing no parasitic behavior, and maintains a consistent non-woody structure throughout its development.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Reproduction

Reproduction in Pseudognaphalium cheiranthiifolium is characterized by the production of highly uniform, minute seeds that facilitate dispersal. The reproductive output is defined by a precise seed mass, which remains constant across observed samples, with a mean seed mass of 2e-05 g. This consistency is reflected in the minimum and maximum recorded values, both of which are also 2e-05 g, indicating a lack of significant variance in the mass of individual seeds produced. Such minimal seed weight suggests an evolutionary strategy optimized for efficient distribution, likely relying on wind or other small-scale environmental factors to spread the progeny across its habitat.

Seed mass mean:

2e-05 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Pseudognaphalium cheiranthifolium has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 13-epi-sclareol, Saponins, Tannins, Terpenoids.

13-epi-sclareol

1. Planta medica

Saponins

1. Dr. Duke

Tannins

1. Dr. Duke

Terpenoids

1. Dr. Duke

Activities

Pseudognaphalium cheiranthifolium has 5 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antihepatomic, Antimutagenic, Antitumor (Lung), Antitumor (Ovary), Immunomodulator.

Antihepatomic

1. Dr. Duke

Antimutagenic

1. Dr. Duke

Antitumor (Lung)

1. Dr. Duke

Antitumor (Ovary)

1. Dr. Duke

Immunomodulator

1. Dr. Duke

Preparations

Pseudognaphalium cheiranthifolium has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include methanolic extracts.

Methanolic extracts

1. Natural product research