showy mullein

Names and Synonyms

Common Names

• Hungarian Mullein

Scientific Names

Accepted name

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Verbascum speciosum, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is categorized under the order Lamiales and the family Scrophulariaceae. Its specific taxonomic placement is defined by the genus Verbascum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution across several regions of the European continent. In Northern Europe, its presence can be documented within Great Britain. The species is also widely spread throughout Middle Europe, where it is found in Austria. Additionally, it inhabits the territories of Czechia-Slovakia and Germany. Finally, its geographical range extends further into the Middle European landscape of Hungary.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Verbascum speciosum is characterized by a biennial lifecycle, meaning it typically completes its developmental stages over a period of two years, often spending the first year establishing a vegetative rosette before transitioning to reproductive maturity in the second year. Structurally, the species is classified as a hemicryptophyte, a life form in which the perennating buds are located at or just below the soil surface, protected by leaf litter or the ground layer during unfavorable conditions. This hemicryptophytic habit allows the plant to persist through seasonal changes by maintaining its regenerative potential at the soil level, facilitating its survival and subsequent flowering within its ecological niche.

Life form :

hemicryptophyte

Lifecycle :

biennial

Morphology

The morphology of Verbascum speciosum is characterized by its growth form as a non-woody herb and forb, functioning as a self-supporting plant that does not require climbing mechanisms. It is an independent species, not acting as a parasite, and maintains a terrestrial existence rather than being aquatic, semiaquatic, or epiphytic. The plant typically reaches a height ranging from a minimum of 0.7 m to a maximum of 2.5 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

2.5 m

Plant height min:

0.7 m

Woodiness :

non-woody

Physiology

The physiology of Verbascum speciosum is characterized by a robust metabolic framework optimized for its specific ecological niche, most notably through its utilization of the C3 photosynthetic pathway. In this process, carbon dioxide is fixed directly from the atmosphere into a three-carbon compound via the enzyme RuBisCO during the Calvin cycle, a mechanism that dictates the plant's water-use efficiency and gas exchange patterns. This C3 pathway governs the energy assimilation processes that drive its vegetative growth and the subsequent synthesis of secondary metabolites. The plant's physiological efficiency is further supported by its structural adaptations, which manage transpiration rates and nutrient uptake to maintain cellular homeostasis. Through the coordination of its C3 metabolism with specialized vascular transport, Verbascum speciosum effectively regulates its internal osmotic potential and carbon partitioning, ensuring sustained metabolic activity throughout its developmental stages.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Verbascum speciosum is characterized by a specific seasonal flowering window and the production of minute seeds. The flowering period typically commences in June and concludes in July, marking the peak interval for pollination and reproductive activity. Following successful fertilization, the plant produces seeds with a highly specific mass profile; the average seed mass is approximately 8.5e-05 g, with individual seed weights ranging from a minimum of 7e-05 g to a maximum of 9e-05 g.

Flowering time :

Jun

Flowering time :

Jul

Seed mass max:

9e-05 g

Seed mass mean:

8.5e-05 g

Seed mass min:

7e-05 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Verbascum speciosum 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 flower.

Flower

1. Journal of pharmacopuncture

Chemicals

Verbascum speciosum has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Flavonoid.

Flavonoid

1. Journal of pharmacopuncture

Activities

Verbascum speciosum has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antibacterial.

Antibacterial

1. Journal of pharmacopuncture

Conditions

Verbascum speciosum has 2 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include Candida albicans, dental caries.

Candida albicans

1. Chinese journal of integrative medicine

Dental caries

1. Journal of pharmacopuncture

Preparations

Verbascum speciosum has 4 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include Hydro-alcoholic extracts from flowers, Hydro-alcoholic extracts from total aerial parts of the plant, extracts, sub-fractions.

Hydro-alcoholic extracts from flowers

1. Journal of pharmacopuncture

Hydro-alcoholic extracts from total aerial parts of the plant

1. Journal of pharmacopuncture

Extracts

1. Chinese journal of integrative medicine

Sub-fractions

1. Chinese journal of integrative medicine