sneezewort

Names and Synonyms

Common Names

• false sneezewort
• pearl yarrow
• sneezeweed
• sneezeweed yarrow
• sneezewort
• sneezewort yarrow
• white tansy

Scientific Names

Accepted name

Synonyms

• Ptarmica vulgaris

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 and is specifically identified by the genus Achillea.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found across several regions of Northern Europe. Its presence is documented in the country of Denmark. It also thrives in the landscapes of Finland and the Faroe Islands. Furthermore, the species can be located throughout Great Britain. Finally, its geographical range extends to the island of Iceland.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Achillea ptarmica is characterized by its preference for damp, nutrient-rich environments, primarily occupying lowland habitats. It thrives in areas with high moisture availability, such as marshes, fens, wet meadows, riverbanks, and roadside ditches, where the soil remains consistently moist to waterlogged. This plant is particularly well-adapted to lowland ecosystems where it can compete effectively in heavy, alluvial, or clay-based soils. By colonizing these moist niches, it plays a role in stabilizing soil along watercourses and provides a steady source of nectar for various pollinating insects within these wetland-adjacent landscapes.

Habitat :

Lowland

Life history

The life history of Achillea ptarmica is characterized by its status as a perennial plant, ensuring its presence in the ecosystem over multiple growing seasons. As a hemicryptophyte, its perennable buds are located at or just below the soil surface, protected by leaf litter or debris during unfavorable conditions. The plant exhibits a deciduous nature, shedding its foliage during the dormant season before regenerating its growth in the following spring.

Deciduousness :

deciduous

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Achillea ptarmica is characterized by its growth form as a non-woody herb, specifically classified as a forb. This self-supporting plant does not function as a climber, liana, or vine, and it operates as an independent organism rather than a parasite. While it is primarily terrestrial in its epiphytic nature, it is categorized within the terrestrial spectrum of aquatic habits. In terms of stature, the plant exhibits significant variation in height, with individual specimens ranging from a minimum of 0.2 m to a maximum of 1.25 m, resulting in an average plant height of approximately 0.5875 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

1.25 m

Plant height mean:

0.5875 m

Plant height min:

0.2 m

Woodiness :

non-woody

Physiology

The physiology of Achillea ptarmica is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency within its typical temperate habitats. The plant exhibits a non-carnivorous nutritional strategy, relying entirely on autotrophic methods and soil-based nutrient uptake rather than the capture of prey. Morphologically, its foliage is defined by a mean leaf size of 1.19 cm², contributing to a Specific Leaf Area (SLA) with a mean value of 162.96 cm²/g, a metric that reflects its leaf mass per area and provides insight into its resource allocation strategies and light-use efficiency.

Carnivory :

non-carnivorous

Leaf size mean:

1.19 cm²

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

162.96 cm²/g

Reproduction

The reproduction of Achillea ptarmica is characterized by a sexual process that primarily occurs during the summer months, with flowering beginning in July and continuing through September. The plant utilizes biotic pollination syndromes, specifically relying on insects such as bees to facilitate the transfer of pollen. Notably, self-fertilization is absent in this species, ensuring genetic diversity through cross-pollination. Following fertilization, the plant produces dry, indehiscent fruits known as achenes. The resulting seeds are quite small, possessing a mean mass of 0.0002625 g (ranging from 0.00022 g to 0.00031 g), a consistent length of 1.8 mm, and a uniform volume of 0.36 mm³. Regarding seed dispersal, the plant exhibits an unspecialized syndrome, though it also utilizes endozoochory to distribute its progeny. Asexual reproduction is absent in this species, making sexual seed production the primary method for propagation.

Dehiscence :

indehiscent

Dispersal syndrome :

unspecialized

Dispersal syndrome :

endozoochorous

Flowering time :

Jul

Flowering time :

Sep

Fruit dryness :

dry

Fruit type :

achene

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed length mean:

1.8 mm

Seed mass max:

0.00031 g

Seed mass mean:

0.0002625 g

Seed mass min:

0.00022 g

Seed volume max:

0.36 mm³

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Achillea ptarmica has 4 reported plant parts identified across 4 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include flower, leaf, root, stem.

Flower

1. Journal of pharmaceutical analysis

Leaf

1. Journal of pharmaceutical analysis

Root

1. Journal of pharmaceutical analysis

Stem

1. Journal of pharmaceutical analysis

Chemicals

Achillea ptarmica has 1 reported phytochemicals identified across 4 scientific publications and several other databases. The most consistently reported chemicals include Pellitorine.

Pellitorine

1. Pharmaceutical biology

Preparations

Achillea ptarmica has 1 reported preparations identified across 4 scientific publications and several other databases. The most consistently reported preparations include ethanolic extracts.

Ethanolic extracts

1. Journal of pharmaceutical analysis