germander speedwell

Names and Synonyms

Common Names

• germander speedwell
• Birdseye Speedwell
• bird's-eye

Scientific Names

Accepted name

Synonyms

• Veronicella chamaedrys

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 Lamiales, it is classified under the family Plantaginacea and the genus Veronica.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed throughout several regions of Northern Europe. It can be found growing in the natural landscapes of Denmark. Its presence also extends across the territories of Finland and Iceland. Additionally, the species is commonly located within Great Britain. Finally, this medicinal herb is also known to inhabit Ireland.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Veronica chamaedrys is characterized by its broad adaptability across diverse landscapes, spanning an elevational range from 0 to 500 m AMSL. This species thrives in varied environments, commonly occurring in dry-valley forest meadows, within forest ecosystems, and across forest-steppe and steppe zones. It is frequently found growing among shrubs, as well as in anthropogenic settings such as gardens and cultivated fields.

Elevational range max:

500 m AMSL

Elevational range min:

0 m AMSL

Habitat :

in dry-valley forest meadows, in forest, forest-steppe and steppe zones, among shrubs, in gardens, fields

Life history

The life history of Veronica chamaedrys is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. As a hemicryophyte, its perenn Perennial buds are located at or very near the soil surface, protected by leaf litter or seasonal debris during dormant periods. This species exhibits evergreen tendencies, maintaining its vegetative structures throughout various stages of its life cycle.

Deciduousness :

evergreen

Life form :

therophyte

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Veronica chamaedrys is characterized by its growth form as a non-woody herb and forb. It is a self-supporting plant that does not exhibit climbing or liana-like behavior, nor does it function as a parasite or an epiphyte, maintaining a terrestrial lifestyle. In terms of stature, the plant typically reaches a mean height of 0.255 m, though its size can vary significantly, ranging from a minimum height of 0.1 m to a maximum of 0.5 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.5 m

Plant height mean:

0.255 m

Plant height min:

0.1 m

Woodiness :

non-woody

Physiology

The physiology of Veronica chamaedrys is characterized by a C3 photosynthetic pathway, typical of many temperate herbaceous plants, and it functions as a non-carnivorous organism without the capacity for nitrogen fixation. The leaf morphology displays specific dimensions, with a mean leaf length of 2.5 cm (reaching a maximum of 2.5 cm) and a mean leaf width of 1.75 cm, which fluctuates between a minimum of 1.5 cm and a maximum of 2 cm. These dimensions contribute to a mean leaf size of approximately 3.555 cm². Furthermore, the plant exhibits a mean Specific Leaf Area (SLA) of 316.18 cm²/g, reflecting its structural investment in leaf tissue relative to its dry mass.

Carnivory :

non-carnivorous

Leaf length max:

2.5 cm

Leaf size mean:

3.555 cm²

Leaf width max:

2 cm

Leaf width mean:

1.75 cm

Leaf width min:

1.5 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

316.18 cm²/g

Reproduction

The reproduction of Veronica chamaedrys is characterized by a flowering period that typically begins in April and concludes in June. The plant utilizes biotic pollination syndromes, specifically relying on insects with a notable preference for bees to facilitate the transfer of pollen. While the species is capable of self-fertilization, it relies on these biological agents for successful reproductive cycles. Following fertilization, the plant develops dry, dehiscence-type fruits classified as capsules, which possess an average fruit length of 0.6 cm. The resulting seeds are quite small, with a mean mass of 0.0002123 g (ranging from a minimum of 0.00018 g to a maximum of 0.00026 g) and a mean volume of approximately 0.4567 mm³, with individual seed volumes varying between 0.31 mm³ and 0.62 mm³. Dispersal is categorized as unspecialized, meaning the seeds are not adapted to a specific high-efficiency transport mechanism. Furthermore, asexual reproduction is absent in this species, making sexual reproduction through seed production the primary method for propagation.

Dehiscence :

dehiscent

Dispersal syndrome :

unspecialized

Flowering time :

Apr

Flowering time :

Jun

Fruit dryness :

dry

Fruit length mean:

0.6 cm

Fruit type :

capsule

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass max:

0.00026 g

Seed mass mean:

0.0002123 g

Seed mass min:

0.00018 g

Seed volume max:

0.62 mm³

Seed volume mean:

0.456666666666667 mm³

Seed volume min:

0.31 mm³

Self fertilization :

present

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Veronica chamaedrys has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Acteoside, Flavonoids.

Acteoside

1. Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi

Flavonoids

1. Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi