alexanders

Names and Synonyms

Common Names

• Alexanders
• black-lovage
• horse-parsley
• Alisanders
• Horse Parsley

Scientific Names

Accepted name

Synonyms

• Smyrnium vulgare

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. It is further categorized under the subclass Magnoliidae and the order Apiales, placing it in the family Apiaceae. Within this group, it is specifically identified by the genus Smyrnium.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse range of locations across the European continent. In Northern Europe, its presence can be found within Great Britain and Ireland. Moving toward Middle Europe, it is also distributed throughout Germany and the Netherlands. Its reach extends further south into Southwestern Europe, specifically to the Baleares. These varied locations highlight the broad geographical distribution of Smyrnium olusatrum.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Smyrnium olusatrum is characterized by its adaptability to a broad altitudinal gradient, thriving in environments ranging from sea level up to a maximum elevation of 800 m AMSL. This wide elevational range, spanning from 0 to 800 m AMSL, allows the species to inhabit diverse topographical settings, typically favoring moist, nutrient-rich soils often found in riparian zones, damp woodlands, or along the edges of hedgerows. Its distribution is closely tied to temperate climates where consistent moisture availability supports its perennial growth habit. The plant's ability to colonize habitats across this specific vertical range suggests a robust tolerance to varying microclimates and varying levels of solar exposure within its ecological niche.

Elevational range max:

800 m AMSL

Elevational range min:

0 m AMSL

Life history

The life history of Smyrnium olusatrum is characterized by a biennial lifecycle, meaning the plant typically completes its development over a period of two years, often spending the first year establishing a vegetative base before flowering and producing seeds in the second. Structurally, the species is classified as a hemicryptophyte, a life form in which the perennating buds are located at the soil surface or just below it, protected by leaf litter or soil during unfavorable seasons. This hemicryptophytic habit allows the plant to persist through environmental shifts, utilizing its subterranean structures to emerge and flourish during its reproductive phase.

Life form :

hemicryptophyte

Lifecycle :

biennial

Morphology

The morphology of Smyrnium olusatrum is characterized by its growth form as a non-woody herb and forb. This terrestrial plant is self-supporting and does not exhibit any climbing or parasitic behavior, functioning as an independent organism. It features an erect shoot orientation and typically reaches a plant height ranging from a minimum of 0.6 m to a maximum of 1.3 m, with an average height of approximately 0.75 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

1.3 m

Plant height mean:

0.75 m

Plant height min:

0.6 m

Shoot orientation :

erect

Woodiness :

non-woody

Physiology

The physiology of Smyrnium olusatrum is characterized by a C3 photosynthetic pathway, indicating a carbon fixation process typical of most temperate plants. The plant is non-carnivorous, relying entirely on soil-based nutrient uptake. Its leaf morphology plays a critical role in its metabolic efficiency, featuring elliptic leaf forms with a mean leaf size of 68.38 cm². The leaf dimensions show significant variability, with lengths ranging from a minimum of 4 cm to a maximum of 40 cm, while leaf widths vary between a minimum of 2 cm and a maximum of 4 cm. Furthermore, the plant exhibits a mean Specific Leaf Area (SLA) of 396 cm²/g, reflecting its leaf mass per area and its strategy for optimizing light interception and gas exchange within its environment.

Carnivory :

non-carnivorous

Leaf form :

elliptic

Leaf length max:

40 cm

Leaf length min:

4 cm

Leaf size mean:

68.38 cm²

Leaf width max:

4 cm

Leaf width min:

2 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

396 cm²/g

Reproduction

The reproduction of Smyrnium olusatrum is characterized by a monocarp life cycle, meaning the plant flowers once before completing its life cycle. The reproductive process begins with the emergence of yellow flowers arranged in an umbel inflorescence. The flowering period typically starts in March and concludes in June, though the timing can be variable. Pollination is achieved through biotic means, specifically relying on an insect pollination syndrome. Following successful pollination, the plant produces black fruits that range in width from 0.4 cm to 0.5 cm and in length from 0.5 cm to 0.7 cm. The resulting seeds are relatively small, with a mean mass of approximately 0.0297055 g, though they can range from a minimum of 0.01348 g to a maximum of 0.04175 g. Seed dispersal is facilitated through both anemochorous (wind-dispersed) and anthropochorous (human-mediated) syndromes. Notably, asexual reproduction is absent in this species, making sexual reproduction via these floral and fruit traits essential for its propagation.

Dispersal syndrome :

anemochorous

Dispersal syndrome :

anthropochorous

Flower colour :

yellow

Flowering time :

Mar

Flowering time :

Jun

Fruit colour :

black

Fruit length max:

0.7 cm

Fruit length min:

0.5 cm

Fruit width max:

0.5 cm

Fruit width min:

0.4 cm

Inflorescence :

umbel

Monocarpy :

monocarp

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass max:

0.04175 g

Seed mass mean:

0.0297055 g

Seed mass min:

0.01348 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Smyrnium olusatrum 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 fruit.

Fruit

1. Phytochemistry

Chemicals

Smyrnium olusatrum has 3 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Flavonoid, LYCOPENE, quercetin-O-hexoside.

Flavonoid

1. Natural product research

LYCOPENE

1. Natural product research

quercetin-O-hexoside

1. Natural product research