Amur pheasant's eye

Names and Synonyms

Common Names

• Amur pheasant's eye
• Amur Adonis

Scientific Names

Accepted name

Synonyms

• Adonis vernalis var. amurensis
• Chrysocyathus amurensis
• Adonis amurensis var. angustiloba
• Adonanthe amurensis
• Adonis barthei
• Adonis amurensis var. parviflora
• Adonis amurensis var. puberula

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 Ranunculales, it is classified under the family Ranunculaceae. Finally, it is identified by the genus Adonis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across several key regions within the Russian Far East. It can be found growing in the Amur region, which serves as a significant part of its habitat. Furthermore, its range extends through the Khabarovsk and Primorye territories. The species also inhabits the island territories of Sakhalin and the Kuril Islands. Collectively, these locations define the specific geographical footprint of Adonis amurensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Adonis amurensis is characterized by its preference for specific transitional zones within temperate ecosystems, primarily inhabiting forest edges and shrubberies. By occupying these ecotones, the plant thrives in areas that receive a balance of filtered sunlight and partial shade, avoiding the deep, light-restricted interior of dense forests while remaining protected from the extreme exposure of open fields. These habitats, composed of thickets and the margins of woodland, provide the necessary soil structure and moisture retention required for its growth. The structural complexity of shrubberies offers a microclimate that buffers against temperature fluctuations, allowing the species to establish itself within the competitive understory layers of its native range.

Habitat :

forest edges, shrubberies

Life history

The life history of Adonis amurensis is characterized by its status as a perennial species, allowing it to persist in its natural habitat through multiple growing seasons. As a perennial, the plant establishes a robust root system that facilitates long-term survival and the ability to regrow after periods of dormancy. Its biological cycle involves seasonal transitions where it emerges from the soil to produce vibrant flowering structures, typically during the spring, before entering a period of rest. This recurring lifecycle enables the plant to accumulate energy reserves over several years, supporting continuous reproductive efforts and ensuring its stability within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Adonis amurensis is characterized by its growth form as a non-woody herb, specifically categorized as a forb. The plant is self-supporting in its growth habit and maintains a relatively low stature, with a plant height ranging from a minimum of 0.05 m to a maximum of 0.15 m.

Climber :

self-supporting

Growth form :

herb

Plant height max:

0.15 m

Plant height min:

0.05 m

Woodiness :

non-woody

Physiology

The physiology of Adonis amurensis is characterized by a specialized metabolic framework designed to support its perennial growth cycle and seasonal flowering patterns. As a herbaceous perennial, its physiological processes are heavily influenced by temperature and photoperiod, which trigger the transition from vegetative growth to reproductive development. The plant's photosynthetic capacity is supported by its leaf morphology, which plays a critical role in gas exchange and light interception; specifically, the foliage exhibits a notable characteristic where the leaf length mean is 7.5 cm. This leaf dimension facilitates an efficient surface area for transpiration and nutrient transport within the vascular system. Furthermore, the plant utilizes complex biochemical pathways to synthesize secondary metabolites, which are essential for its physiological defense mechanisms against environmental stressors and herbivory. The regulation of water potential and osmotic adjustment within its tissues allows the plant to maintain turgor pressure and metabolic activity during varying soil moisture conditions throughout its life cycle.

Leaf length mean:

7.5 cm

Reproduction

The reproduction of Adonis amurensis is characterized by its specific flowering phenology and floral morphology. The plant enters its flowering phase during the month of March, though the timing can be considered variable across different environmental contexts. During this period, the flowers exhibit a consistent size range, with individual flower lengths measuring a minimum of 2.8 cm and reaching a maximum of 3.5 cm. This reproductive cycle is concentrated within the early spring window, as the flowering period begins and concludes within the month of March.

Flower length max:

3.5 cm

Flower length min:

2.8 cm

Flowering time :

Mar

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Adonis amurensis has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Convallatoxin, Cardiac Glycosides, apocynin.

Convallatoxin

1. Natural product research
2. British journal of pharmacology

Cardiac Glycosides

1. Natural product research

apocynin

1. Natural product research

Conditions

Adonis amurensis has 4 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include cancer, colitis, edema, peritonitis.

Cancer

1. PloS one

Colitis

1. British journal of pharmacology

Edema

1. PloS one

Peritonitis

1. British journal of pharmacology