Phedimus middendorffianus

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Aizopsis middendorfiana subsp. arctuata
• Sedum aizoon var. middendorffianum
• Phedimus middendorffianus var. diffusus
• Sedum middendorffianum var. diffusum
• Sedum zokuriense
• Sedum middendorffianum subsp. arcuatum
• Sedum middendorffianum
• Phedimus zokuriensis
• Sedum lepidopodum
• Phedimus diffusus
• Aizopsis middendorffianum
• Sedum kamtschaticum f. zokuriense
• Aizopsis zokuriensis
• Phedimus middendorffianus subsp. arcuatus

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 Saxifragales, it is classified under the family Crassulaceae. Its specific taxonomic placement is within the genus Phedimus, identifying it as Phedimus middendorffianus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical range spanning across several distinct regions of Eurasia. In Middle Europe, its presence can be documented within the borders of Germany. Moving eastward, the species is found in the vast Siberian territory of Yakutiya. It also extends into the Russian Far East, specifically inhabiting the Amur region. Furthermore, its distribution covers the Khabarovsk and Primorye areas within the same Far Eastern territory.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Phedimus middendorffianus is characterized by its preference for specific environmental niches within diverse landscapes. This species is primarily found inhabiting forest ecosystems, where it thrives under the varied light conditions and organic soil compositions typical of wooded areas. Additionally, it demonstrates a specialized ability to colonize stony places, indicating a capacity to persist in rocky, well-drained substrates or lithic microhabitats. This dual affinity for both forested terrains and stony environments suggests a resilient ecological strategy that allows the plant to occupy transitional zones or niche pockets where soil and moisture levels meet its specific physiological requirements.

Habitat :

forest, stony places

Life history

The life history of Phedimus middendorffianus is characterized by a perennial lifecycle, meaning the plant persists through multiple growing seasons rather than completing its biological cycle within a single year. As a perennial species, it maintains a stable presence in its habitat, often developing robust structures that allow it to endure dormant periods and re-emerge annually. This extended lifespan supports a continuous or seasonal involvement in its ecosystem, enabling the plant to invest energy into long-term survival and repeated reproductive efforts over several years.

Lifecycle :

perennial

Morphology

The morphology of Pheidimus middendorffianus is characterized by its diminutive stature and specific growth habit, typically presenting as a small herb. The plant maintains a low profile, with a height ranging from a minimum of 0.1 m to a maximum of 0.15 m. In terms of its structural composition, the species is classified as non-woody, lacking the lignified tissue found in shrubs or trees, which is consistent with its herbaceous growth form.

Growth form :

herb

Plant height max:

0.15 m

Plant height min:

0.1 m

Woodiness :

non-woody

Reproduction

The reproduction of Phedimus middendorffianus is closely linked to its seasonal flowering cycle, which dictates its reproductive window. The flowering process begins in June, marking the start of its reproductive activity for the season. This period of bloom continues through the summer months, eventually reaching its conclusion in August. Because the flowering duration is concentrated within this mid-year timeframe, the plant's ability to attract pollinators and facilitate seed production is specifically optimized during these months.

Flowering time :

Jun

Flowering time :

Aug

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Phedimus middendorffianus has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include DEOXYNARCICLASINE, Hopeaphenol.

DEOXYNARCICLASINE

1. Evidence-based complementary and alternative medicine : eCAM

Hopeaphenol

1. Evidence-based complementary and alternative medicine : eCAM

Preparations

Phedimus middendorffianus has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include cotyledons, hypecotyl.

Cotyledons

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Hypecotyl

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials