Scheuchzer's cottongrass

Names and Synonyms

Common Names

• Scheuchzer's cottongrass
• one-spike cottongrass
• white cottongrass
• Scheuchzer's Arctic Cottongrass
• Scheuchzer's Cotton-grass
• White-bristle Cotton-grass

Scientific Names

Accepted name

Synonyms

• Plumaria scheuchzeri

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Eriophorum scheuchzeri, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Poales. It is further categorized into the family Cyperaceae and the genus Eriophorum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a distinct distribution pattern concentrated within the high latitudes of Northern Europe. It can be found growing across the expansive landscapes of Finland and Sweden. Additionally, its habitat extends to the rugged terrains of Norway and the volcanic soils of Iceland. The species also reaches its northernmost limits in the Arctic archipelago of Svalbard. Together, these locations define its specific geographical range in the northern hemisphere.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Eriophorum scheuchzeri is defined by its specialized adaptation to waterlogged and nutrient-poor environments, where it thrives across diverse landscapes including forests, swamps, and tundra. In forest ecosystems, it often occupies the moist, shaded margins of woodland clearings, while in swampy habitats, it serves as a key component of peatlands and mire communities, where its presence is tied to high water tables and acidic soil conditions. Its ability to inhabit the tundra highlights its resilience to extreme cold and seasonal frost, allowing it to colonize high-latitude or high-altitude boggy terrains. By occupying these niche, saturated zones, the plant plays a vital role in the structural complexity of wetland ecosystems, navigating the challenges of low oxygen availability in the substrate and fluctuating moisture levels.

Habitat :

forest, swamps, tundra

Genetics

The genetics of Eriophorum scheuchzeri are characterized by a specific chromosomal configuration, where the fundamental haploid number is denoted by the ploidy level n. As a member of the Cyperaceae family, its genomic architecture is subject to the complex evolutionary pressures common in wetland ecosystems, influencing its reproductive strategies and adaptive capacity. The determination of its ploidy level is a critical factor in understanding its genetic diversity, potential for polyploidization, and its ability to maintain stable inheritance patterns across varying environmental gradients. This chromosomal baseline serves as the foundation for its entire genetic makeup, governing the segregation of alleles and the overall genomic stability of the species.

Ploidy :

n

Life history

The life history of Eriophorum scheuchzeri is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons within its habitat. As a hemicryptophyte, its perennable buds are located at or just below the soil surface, protected by leaf litter or substrate during unfavorable conditions. The plant exhibits an evergreen nature, maintaining its foliage throughout various stages of its life cycle. This combination of a perennial lifecycle and a hemicryptophytic life form enables the species to establish stable populations in its specific ecological niche.

Deciduousness :

evergreen

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Eriophorum scheuchzeri is characterized by its growth form as a non-woody, graminoid herb. This self-supporting plant typically exhibits a terrestrial habit, functioning independently rather than as a parasite or epiphyte. In terms of stature, it is a relatively low-growing species with a plant height that ranges from a minimum of 0.08 m to a maximum of 0.4 m, maintaining an average height of approximately 0.175 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

graminoid

Parasite :

independent

Plant height max:

0.4 m

Plant height mean:

0.175 m

Plant height min:

0.08 m

Woodiness :

non-woody

Physiology

The physiology of Eriophorum scheuchzeri is characterized by a specialized adaptation to waterlogged, nutrient-poor environments, primarily through its highly efficient C3 photosynthetic pathway. As a C3 plant, it utilizes the Calvin cycle to fix carbon dioxide directly via the enzyme RuBisCO, which is an energetically efficient strategy in the cool, moist, and often high-latitude or high-altitude habitats where this species typically resides. To manage the physiological stress of anaerobic soil conditions, the plant employs aerenchyma tissue, a specialized system of internal air channels that facilitates the longitudinal diffusion of oxygen from the aerial parts down to the submerged rhizomes and roots. This internal gas exchange is critical for maintaining aerobic respiration in the root zone, thereby preventing the accumulation of toxic metabolic byproducts associated with hypoxia. Furthermore, its physiological processes are tuned to optimize nutrient uptake and carbon assimilation under low-temperature regimes, ensuring metabolic stability in peatland ecosystems.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Eriophorum scheuchzeri is characterized by a specific seasonal flowering window, which typically begins in June and concludes in July. The plant produces dry fruits, which contain seeds with highly uniform physical properties; specifically, the seed mass remains constant at a mean, minimum, and maximum of 0.00062 g, while the seed volume is consistently measured at 0.55 mm³. To facilitate the spread of its progeny, the species utilizes an anemochorous dispersal syndrome, relying on wind currents to transport its seeds across its habitat.

Dispersal syndrome :

anemochorous

Flowering time :

Jun

Flowering time :

Jul

Fruit dryness :

dry

Seed mass mean:

0.00062 g

Seed volume max:

0.55 mm³

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Eriophorum scheuchzeri 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 stem.

Stem

1. Journal of natural products

Chemicals

Eriophorum scheuchzeri has 3 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include FLAVANONE, Flavonoids, Isoflavones.

FLAVANONE

1. Journal of natural products

Flavonoids

1. Journal of natural products

Isoflavones

1. Journal of natural products

Activities

Eriophorum scheuchzeri has 3 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antifungal, Antioxidant.

Antibacterial

1. Journal of natural products

Antifungal

1. Journal of natural products

Antioxidant

1. Journal of natural products

Preparations

Eriophorum scheuchzeri has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include dichloromethane extract of the aerial parts.

Dichloromethane extract of the aerial parts

1. Journal of natural products