Christ's-eye

Names and Synonyms

Common Names

• Christ's-eye
• Hairy Fleabane
• Christ's Eye

Scientific Names

Accepted name

Synonyms

• Inula sericea
• Helenium oculus-christi
• Inula oculus
• Aster oculus-christi
• Inula oculus-christi
• Inula campestris
• Helenium kanitzii

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 within the class Equisetopsida. As a member of the subclass Magnoliidae and order Asterales, it is further organized into the family Asteraceae. Ultimately, its taxonomic identity is defined by its placement within the genus Pentanema.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical range that spans across several European regions. In Northern Europe, its presence is noted within the borders of Great Britain. Moving into Middle Europe, the species can be found inhabiting the landscapes of Austria. It also maintains a distribution across the territories of Germany and Hungary. Furthermore, the plant is documented to grow within the Czechia-Slovakia region.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pentaemum oculus-christi is defined by its preference for diverse high-altitude terrains, ranging from montane meadows and shrubberies to rugged, stony places. This medicinal plant thrives within a specific altitudinal gradient, occurring at elevations starting from a minimum of 1100 m AMSL and extending up to a maximum of 2600 m AMSL. Its ability to colonize both vegetated meadowlands and more austere, rocky environments suggests an adaptation to varied soil compositions and varying levels of moisture found across these mountainous landscapes.

Elevational range max:

2600 m AMSL

Elevational range min:

1100 m AMSL

Habitat :

meadows, mountains, shrubberies, stony places

Life history

The life history of Pentema oculus-christi is characterized by its classification as a perennial organism, meaning it maintains its biological functions and structures over multiple growing seasons rather than completing its cycle in a single year. In terms of its morphological survival strategy and growth habit, the plant is identified as a hemicryophyte. This life form indicates that its perennable buds are located at or just below the soil surface, protected by the remains of previous seasons' foliage or the substrate itself, allowing it to endure unfavorable environmental conditions before resuming active growth in subsequent cycles.

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Pentaema oculus-christi is characterized by a growth form classified as a herb, exhibiting a non-woody structure throughout its development. This plant displays a versatile ecological adaptation, capable of thriving in aquatic, semiaquatic, and terrestrial habitats. In terms of stature, it is a relatively low-growing species, with a plant height that typically ranges from a minimum of 0.2 m to a maximum of 0.5 m.

Aquatic :

terrestrial

Growth form :

herb

Plant height max:

0.5 m

Plant height min:

0.2 m

Woodiness :

non-woody

Physiology

The physiology of Pentaema oculus-christi is characterized by a standard C3 photosynthetic pathway, which dictates its metabolic processes and carbon fixation strategies. In this pathway, the initial fixation of atmospheric carbon dioxide occurs via the enzyme RuBisCO, resulting in the formation of a three-carbon compound, 3-phosphoglycerate. This reliance on the C3 cycle influences the plant's resource management, particularly regarding its transpiration rates and water-use efficiency, as it lacks the specialized anatomical adaptations found in C4 or CAM species. Consequently, its physiological performance and carbon assimilation rates are closely tied to environmental variables such as light intensity, temperature, and moisture availability, which directly impact the efficiency of its photosynthetic machinery.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Pentaema oculus-christi is closely tied to its seasonal flowering cycle, which serves as the primary stage for its reproductive processes. The plant's flowering period is specifically timed within the warmer months, with the flowering start occurring in June. This reproductive phase continues through the mid-summer season until the flowering end is reached in August. While the specific timing of these biological milestones can be variable depending on environmental conditions, the plant follows this general seasonal progression to facilitate its life cycle.

Flowering time :

Jun

Flowering time :

Aug

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Pentanema oculus-christi has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antimicrobial.

Antioxidant

1. Bioprocess and biosystems engineering
2. Membranes

Antimicrobial

1. Bioprocess and biosystems engineering

Preparations

Pentanema oculus-christi has 3 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include PP extracts, flavonoid glycosides (FGs), phenolic acids (PAs).

Pp extracts

1. Molecules (Basel, Switzerland)

Flavonoid glycosides (fgs)

1. Molecules (Basel, Switzerland)

Phenolic acids (pas)

1. Molecules (Basel, Switzerland)