European violet willow

Names and Synonyms

Common Names

• daphne willow
• violet willow
• European Violet-Willow
• European violet willow

Scientific Names

Accepted name

Synonyms

• Salix praecox var. gemmata
• Salix daphnoides var. gemmata
• Salix praecox var. pilosa
• Salix bigemmis
• Salix daphnoides var. pomeranica
• Salix pomeranica
• Salix reuteri
• Salix jaspidea
• Salix koernickei
• Salix aglaja
• Salix daphnoides var. pilosa
• Salix daphnoides var. norvegica

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Malpighiales and the family Salicaceae. Finally, its specific taxonomic placement is within the genus Salix.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution concentrated across several regions of Europe. In Northern Europe, its presence is documented in Denmark, Norway, and Sweden. It can also be found growing within the natural landscapes of Great Britain. Furthermore, the species extends its range into Middle Europe, specifically within Austria. Together, these locations define the known habitat for Salix daphnoides.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Salix daphnoides is characterized by its preference for lowland environments, where it typically establishes itself in areas with relatively low elevations. Within these lowland landscapes, the species thrives in habitats that provide stable soil conditions and consistent access to moisture, often occupying riparian zones, marshy edges, or damp alluvial plains. Its distribution is closely tied to these specific hydrological patterns, allowing it to colonize moist substrates that support its growth requirements. By occupying these low-lying ecological niches, Salix daphnoides plays a functional role in the local ecosystem, contributing to soil stabilization and providing specialized habitats within its characteristic lowland terrain.

Habitat :

Lowland

Life history

The life history of Salix daphnoides is characterized by its status as a perennial species, ensuring its survival through multiple growing seasons. As a phanerophyte, the plant maintains its photosynthetic organs well above the ground level, utilizing a structural growth form that allows it to thrive in its specific ecological niche. This species exhibits a deciduous nature, shedding its leaves annually as part of its seasonal cycle, which helps it manage resource conservation during unfavorable periods. Its physiological development is governed by this perennial lifecycle and its phanerophyte life form, balancing long-term structural stability with seasonal adaptations.

Deciduousness :

deciduous

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Salix daphnoides is characterized by a woody growth form that can manifest as both a shrub and a tree. As a self-supporting organism, it does not function as a liana or vine, nor does it exhibit parasitic or epiphytic behavior, maintaining an independent and terrestrial lifestyle. The plant displays significant variability in stature, with heights ranging from a minimum of 3 m to a maximum of 15 m, and an average height of approximately 6.5 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

15 m

Plant height mean:

6.5 m

Plant height min:

3 m

Woodiness :

woody

Physiology

The physiology of Salix daphnoides is characterized by a C3 photosynthetic pathway, a standard carbon fixation mechanism for most woody temperate species. As a non-carnivorous organism, it relies entirely on autotrophic nutrition through soil nutrient uptake and light absorption. Its leaf morphology is relatively uniform, with a mean and maximum leaf width of 1.9 cm, while the leaf length can reach a maximum of 13 cm. These structural dimensions contribute to a mean Specific Leaf Area (SLA) of 106.38 cm²/g, a metric that reflects the plant's resource allocation strategy regarding leaf thickness and density in relation to its photosynthetic surface area.

Carnivory :

non-carnivorous

Leaf length max:

13 cm

Leaf width mean:

1.9 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

106.38 cm²/g

Reproduction

The reproduction of Salix daphnoides is characterized by a dioecious sexual reproduction system, meaning individual plants are either male or female, and self-fertilization is notably absent. The flowering period typically occurs in the spring, beginning in March and concluding in April. During this stage, the plant utilizes a biotic pollination syndrome, specifically relying on insect pollinators to facilitate fertilization. Following successful pollination, the plant produces fruit in the form of a capsule. These capsules are dehiscent, meaning they split open at maturity to release the seeds. The seeds are extremely lightweight, with a mean, minimum, and maximum mass of 0.00014 g, a characteristic that supports an anemochorous dispersal syndrome, allowing the seeds to be transported effectively by the wind.

Dehiscence :

dehiscent

Dispersal syndrome :

anemochorous

Flowering time :

Mar

Flowering time :

Apr

Fruit type :

capsule

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction sexual :

dioecious

Seed mass mean:

0.00014 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Salix daphnoides has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Isosalipurposide.

Flavonoids

1. TheScientificWorldJournal

Isosalipurposide

1. Acta poloniae pharmaceutica

Preparations