Nigella segetalis

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Nigella armena
• Nigella bicolor
• Nigella verrucosa
• Nigella segetalis var. armena

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Nigella segetalis, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Ranunculales and the family Ranunculaceae. Ultimately, its taxonomic identity is defined by its placement within the genus Nigella.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution spanning several distinct regions across Eurasia. In Eastern Europe, its presence is documented throughout Ukraine and the South European Russia region. It can also be found specifically within the Krym area of Eastern Europe. Moving toward the Caucasus, the species is distributed across the Transcaucasus territory. Finally, its range extends into Western Asia, where it is located in Iran.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Nigella segetalis is characterized by its broad adaptability across diverse terrestrial landscapes, ranging from disturbed human environments to more rugged natural terrains. It frequently colonizes anthropogenic habitats such as crop fields and inhabited places, where it thrives in the disturbed soils often associated with agricultural activity and human settlement. Beyond these cultivated areas, the species also occupies more naturalistic environments, including the expansive, open reaches of the steppe and the varying elevations of mountain regions. This wide distribution suggests a resilient ecological strategy that allows the plant to exploit both nutrient-rich disturbed sites and the more competitive, stable ecosystems of open grasslands and montane habitats.

Habitat :

crop fields, inhabited places, mountains, steppe

Life history

The life history of Nigella segetalis is characterized by an annual lifecycle, meaning the plant completes its entire biological progression—from germination and vegetative growth to flowering and seed production—within a single growing season. As an annual species, it does not attempt to survive through dormant periods as a mature individual but instead focuses its energy on rapid development and prolific reproductive output to ensure the continuity of its lineage. Following the initial germination triggered by favorable environmental conditions, the plant undergoes a period of foliage expansion before transitioning into its reproductive phase. This cycle culminates in the production of seeds, which remain in the soil to await the next seasonal cycle, effectively bypassing the need for biennial or perennial survival strategies.

Lifecycle :

annual

Morphology

The morphology of Nigella segetalis is characterized by its growth form as a herb, presenting a non-woody structure throughout its development. This plant functions as an independent organism, neither relying on a host for nutrients as an obligate or facultative parasite. In terms of its ecological habitat and physical orientation, it exhibits a versatile existence that ranges from terrestrial environments to semiaquatic and aquatic settings.

Aquatic :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Reproduction

The reproduction of Nigella segetalis is characterized by a specific seasonal flowering cycle that dictates its reproductive success. The flowering period begins in June and extends through July, marking the window during which the plant produces its blossoms for pollination. This concentrated period of floral development is essential for the plant's life cycle, facilitating the transition from flowering to seed production within these specific months.

Flowering time :

Jun

Flowering time :

Jul

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Nigella segetalis has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include AlP, Albumin, FIBRINOGEN, MCV.

AlP

1. Phytotherapy research : PTR

Albumin

1. Phytotherapy research : PTR

FIBRINOGEN

1. Phytotherapy research : PTR

MCV

1. Phytotherapy research : PTR