Jersey cudweed

Names and Synonyms

Common Names

• Jersey cudweed
• red-tipped rabbit-tobacco
• weedy cudweed
• red-tip rabbit-tobacco

Scientific Names

Accepted name

Synonyms

• Helichrysum conglomeratum
• Pseudognaphalium luteoalbum subsp. turcicum
• Gnaphalium martabanicum
• Gnaphalium luteoalbum var. pallidum
• Gnaphalium leontopodinum
• Gnaphalium luteoalbum var. depressum
• Gnaphalium luteoalbum
• Gnaphalium luteoalbum var. glomeratum
• Gnaphalium luteolum
• Gnaphalium javanum
• Gnaphalium luteoalbum var. glandulosum
• Gnaphalium orixense
• Gnaphalium luteoalbum var. occidentale
• Gnaphalium pallidum
• Gnaphalium pompejanum
• Gnaphalium reinwardtianum
• Gnaphalium trifidum
• Laphangium luteoalbum
• Pseudognaphalium luteoalbum var. pallidum
• Helichrysum luteoalbum
• Filaginella luteoalba
• Gnaphalium alboluteum
• Gnaphalium gracile
• Gnaphalium dealbatum var. luteofuscum
• Gnaphalium luteofuscum

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

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

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical presence across several regions of the European continent. In Northern Europe, its distribution includes the coastal and inland areas of Denmark and Great Britain. It can also be found growing within the territories of Ireland and Sweden. Moving toward the center of the continent, the species is documented in Middle Europe. Specifically, its range extends into the country of Austria.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pseudognaphalium luteoalbum is characterized by its occurrence within the Campo Limpo habitat, where it adapts to specific environmental gradients. This species demonstrates a broad vertical distribution across varying landscapes, spanning an elevational range that starts from 0 m AMSL and reaches a maximum altitude of 3000 m AMSL. While the mean elevational value is recorded at 0 m AMSL, its ability to persist from sea level up to high-altitude mountainous regions underscores its significant ecological plasticity within its native range.

Elevational range max:

3000 m AMSL

Elevational range mean:

0 m AMSL

Habitat :

Campo Limpo

Life history

The life history of Pseudognaphalium luteoaulbum is characterized by an annual lifecycle, meaning it completes its entire developmental process from germination to seed production within a single growing season. As a therophyte, the plant is adapted to survive unfavorable environmental conditions by existing primarily in the form of seeds, which remain dormant until favorable conditions trigger rapid growth and reproduction. Regarding its foliage and structural maintenance, the species exhibits variable deciduousness, allowing it to adapt its leaf retention based on seasonal shifts and environmental stressors. This combination of a short-lived annual cycle and a therophytic life form enables the plant to efficiently exploit ephemeral resources and colonize disturbed habitats.

Deciduousness :

variable

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Pseudognaphalium luteoalbum is characterized by its growth form as a non-woody herb and forb. This plant is a terrestrial species that does not function as an epiphyte or a parasite, maintaining an independent existence. It is a self-supporting plant, meaning it does not exhibit climbing behavior such as a liana or vine. The shoots are oriented in an erect manner, and the plant maintains a relatively low stature, with a height ranging from a minimum of 0.03 m to a maximum of 0.7 m, resulting in a mean plant height of approximately 0.15 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.7 m

Plant height mean:

0.15 m

Plant height min:

0.03 m

Shoot orientation :

erect

Woodiness :

non-woody

Physiology

The physiology of Pseudognaphalium luteoalbum is characterized by a C3 photosynthetic pathway, indicating a standard carbon fixation process typically suited to environments where water availability is not extremely limited. The plant exhibits a non-carnivorous nutritional strategy and does not function as a nitrogen fixer, relying instead on soil-based nutrient uptake. Its leaf morphology is defined by an elliptic form, with a mean leaf width of 0.4 cm (ranging from a minimum of 0.4 cm to a maximum of 0.5 cm) and a maximum leaf length of 5 cm. The average leaf size is measured at 1.32125 cm², complemented by a mean Specific Leaf Area (SLA) of 383.2 cm²/g, which reflects its leaf mass per area and provides insight into its resource acquisition and light-use efficiency.

Carnivory :

non-carnivorous

Leaf form :

elliptic

Leaf length max:

5 cm

Leaf size mean:

1.32125 cm²

Leaf width max:

0.5 cm

Leaf width mean:

0.4 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

383.2 cm²/g

Reproduction

The reproduction of Pseudognaphalium luteoaibum is characterized by a sexual process involving bisexual flowers that facilitate both self-fertilization and biotic pollination. The flowering period typically commences in June and extends through October, featuring small red flowers that range in length from 0.2 cm to 0.25 cm. Following successful pollination, primarily by insects, the plant produces indehiscent fruits classified as achenes. These fruits have an average length of 0.5 cm, with a maximum length reaching 0.06 cm, and they contain a high volume of seeds, typically ranging from 101 to 1,000 seeds per fruit. The seeds themselves are minute, maintaining a consistent mean length and width of 0.6 mm and 0.3 mm respectively, with an average mass of approximately 1.51875e-05 g (ranging from 1e-05 g to 3e-05 g). Dispersal is achieved through an anemochorous syndrome, meaning the seeds are primarily dispersed by wind. Notably, asexual reproduction is absent in this species.

Dehiscence :

indehiscent

Dispersal syndrome :

anemochorous

Flower colour :

red

Flower length max:

0.25 cm

Flower length min:

0.2 cm

Flowering time :

Jun

Flowering time :

Oct

Fruit length max:

0.06 cm

Fruit length mean:

0.5 cm

Fruit type :

achene

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Reproduction sexual :

bisexual

Seed length mean:

0.6 mm

Seed mass max:

3e-05 g

Seed mass mean:

1.51875e-05 g

Seed mass min:

1e-05 g

Seed width mean:

0.3 mm

Seeds_per_fruit :

101-1000

Self fertilization :

present

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Pseudognaphalium luteoalbum has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Journal of natural medicines

Activities

Pseudognaphalium luteoalbum has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. Journal of natural medicines

Preparations

Pseudognaphalium luteoalbum has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include leaf.

Leaf

1. Journal of natural medicines